WO2020143011A1 - 一种图像采集器及移动电子设备 - Google Patents

一种图像采集器及移动电子设备 Download PDF

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Publication number
WO2020143011A1
WO2020143011A1 PCT/CN2019/071265 CN2019071265W WO2020143011A1 WO 2020143011 A1 WO2020143011 A1 WO 2020143011A1 CN 2019071265 W CN2019071265 W CN 2019071265W WO 2020143011 A1 WO2020143011 A1 WO 2020143011A1
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WO
WIPO (PCT)
Prior art keywords
frame
voice coil
axis direction
prism system
coil motor
Prior art date
Application number
PCT/CN2019/071265
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English (en)
French (fr)
Inventor
藤崎义文
色摩和雄
Original Assignee
瑞声通讯科技(常州)有限公司
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Application filed by 瑞声通讯科技(常州)有限公司 filed Critical 瑞声通讯科技(常州)有限公司
Priority to JP2020548803A priority Critical patent/JP7255962B2/ja
Publication of WO2020143011A1 publication Critical patent/WO2020143011A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the invention relates to the technical field of optical imaging, and in particular to an image collector used in mobile electronic devices such as mobile phones.
  • the general lens is that the light enters directly from the object side, passes through the lens group along the optical axis to reach the imaging chip (sensor), for the mobile phone, it is from the side of the mobile phone screen along the thickness direction of the mobile phone Straight to the chip.
  • the imaging chip sensor
  • the lens it is bound to require the mobile phone to provide a thicker space, or to protrude the lens outward, which is inconsistent with the thinning trend and aesthetic requirements of the mobile phone.
  • An object of the present invention is to provide an image collector that does not affect the overall appearance of a mobile electronic device when there are many lenses in the lens.
  • the present invention provides an image pickup device, including a frame, a flexible circuit board connected to the frame, a lens assembly installed in the middle of the frame, an end mounted on the frame and located on the object side of the lens assembly A first prism system for receiving light, a second prism system mounted on the other end of the frame and located on the image side of the lens assembly, and a second prism system for driving the second prism system to rotate around the X axis direction in the frame A first voice coil motor and a second voice coil motor for driving the second prism system to rotate about the Y axis direction in the frame, the first voice coil motor and the second voice coil motor are respectively
  • the circuit boards are electrically connected, and the X-axis direction is perpendicular to the Y-axis direction.
  • the first prism system includes a first prism
  • the second prism system includes a second prism.
  • the first prism is used to receive light incident along the Y-axis direction and reflect to the lens assembly along the Z-axis direction.
  • the second prism is used to receive light from the lens assembly and reflect the light along the X-axis direction, and the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction, respectively.
  • the second prism system further includes a first frame body rotatably connected to the frame and a second frame body rotatably connected to the first frame body, and the second prism is mounted on the second frame
  • the first voice coil motor includes a first voice coil and a first magnet forming a magnetic gap with the first voice coil, the first voice coil is fixed relative to the frame, and the first magnet is mounted on the The first frame
  • the second voice coil motor includes a second voice coil and a second magnet forming a magnetic gap with the second voice coil, the second voice coil is fixed relative to the flexible circuit board, so The second magnet is mounted on the second frame.
  • the second prism system further includes a limit spring, one end of the limit spring is connected to the first frame body, and the other end is connected to the frame.
  • the second prism system further includes a limit pin, a limit hole is provided on the first frame, one end of the limit pin is installed on the second frame, and the other end is inserted In the limiting hole, and the outer diameter of the limiting pin is smaller than the inner diameter of the limiting hole.
  • the number of the limit pin and the limit hole are two, two of the limit pins are respectively installed on both sides of the second frame, and the two limit holes are respectively located on the The two sides of the first frame.
  • the image collector further has a third voice coil motor for adjusting the lens assembly to move in the Z-axis direction in the frame and electrically connected to the flexible circuit board, the lens assembly It includes a lens.
  • the lens includes a lens barrel and a lens group disposed in the lens barrel.
  • the third voice coil motor includes a third voice coil and a third magnet forming a magnetic gap with the third voice coil.
  • the third voice coil is fixed relative to the frame, and the third magnet is mounted on the lens barrel.
  • the lens assembly further includes two guide rods, one of which is mounted on the side of the frame away from the third voice coil motor and is snap-fitted to the lens barrel, and the other One of the guide rods is mounted on the lens barrel and slidingly connected to the other side of the frame.
  • the image collector further includes an imaging device for receiving reflected light from the second prism system, the imaging device is provided with a circuit board and a sensor electrically connected to the circuit board, the imaging The device is mounted on the frame.
  • the invention also provides a mobile electronic device, which includes a housing, and the mobile electronic device further includes the image collector as described above installed in the housing.
  • the beneficial effects of the present invention are: in the present invention, the light incident from the Y axis direction is reflected by the first prism system and enters the lens assembly along the Z axis, and the light is reflected by the second prism system and exits along the X axis direction, thereby making Even if there are more lenses in the lens assembly, it will not affect the overall appearance size of the mobile electronic device with the image collector.
  • the image collector is provided for driving the second prism system to rotate around the X axis direction in the frame
  • the first voice coil motor and the second voice coil motor used to drive the second prism system to rotate around the Y axis in the frame, so that the second prism system can be driven by the first voice coil motor and the second voice coil motor Automatically correct the angle, the imaging angle of the image collector is wider, and the imaging effect is better.
  • FIG. 1 is a perspective view of an image collector of the present invention.
  • FIG. 2 is a schematic cross-sectional view at A-A in FIG. 1.
  • Fig. 3 is a perspective view of the image collector after removing the outer skin.
  • FIG. 4 is a perspective view of the image collector in FIG. 3 after the imaging device and the flexible circuit board are removed.
  • FIG. 5 is a partially enlarged schematic view at B in FIG. 4.
  • FIG. 6 is a perspective view of the image collector in FIG. 4 after the lens assembly and the first prism system are removed.
  • FIG. 7 is a schematic diagram of the explosion of FIG. 6.
  • FIG. 8 is a perspective view of a third voice coil motor of the present invention mounted on a lens assembly.
  • FIG. 9 is a schematic diagram of the explosion of FIG. 8.
  • FIG. 10 is a perspective view of a mobile electronic device.
  • an element when an element is referred to as being “fixed” or “disposed” on another element, the element can be directly on the other element or there can be a centering element at the same time.
  • an element When an element is referred to as "connecting" another element, it may be directly connected to the other element or there may be a centering element at the same time.
  • an embodiment of the present invention provides an image collector 1, the image collector 1 includes a frame 10, a flexible circuit board 20, a first prism system 30, a lens assembly 40, a second prism system 50, the first A voice coil motor 60, a second voice coil motor 70, a third voice coil motor 80, and an imaging device 90, the first prism system 30 and the second prism system 50 are respectively installed at both ends of the frame 10, and the lens assembly 40 is installed at the frame The middle of 10 is located between the first prism system 30 and the second prism system 50.
  • the flexible circuit board 20 is mounted on the frame 10. In this embodiment, the first voice coil motor 60 and the second voice coil motor 70 are both connected to the flexible circuit.
  • the board 20 is electrically connected.
  • the outer side of the frame 10 is covered with the outer skin 11.
  • the width direction of the frame 10 is defined as the X axis direction
  • the height direction of the frame 10 is defined as the Y axis direction
  • the length direction of the frame 10 is defined as the Z axis direction.
  • the X axis direction, the Y axis direction, and the Z axis direction are both Mutually perpendicular.
  • the first prism system 30 is slidingly connected to the frame 10, the first prism system 30 is located on the object side of the lens assembly 40, and the second prism system 50 is located on the image side of the lens assembly 40, the light incident from the Y-axis direction passes through the first prism system After being reflected 30, it enters the lens assembly 40 along the Z axis, and the light entering the lens assembly 40 along the Z axis is reflected by the second prism system 50 and then exits to the imaging device 90 along the X axis direction.
  • the first voice coil motor 60 is used to adjust the second prism system 50 to rotate around the X axis in the frame 10
  • the second voice coil motor 70 is used to adjust the second prism system 50 to rotate around the Y axis within the frame 10.
  • the second prism system 50 can automatically correct the angle under the driving of the first voice coil motor 60 and the second voice coil motor 70, so that the imaging angle of the image collector 1 is wider and the imaging effect is better.
  • the first prism system 30 includes a first prism 31, and the second prism system 50 includes a first frame 51 slidably connected to the frame 10, and the first frame 51 a second frame 52 connected to rotation and a second prism 53 installed in the second frame 52, the second prism 53 moves synchronously with the second frame 52, in this embodiment the first prism 31 is used to receive the edge Y The light incident on the axis direction is reflected to the lens assembly 40 along the Z axis. The second prism 53 is used to receive the light from the lens assembly 40 and reflect the light along the X axis direction.
  • the first voice coil motor 60 includes a first voice coil 61 and A first magnet 62 forming a magnetic gap with the first voice coil 61, the first voice coil 61 can be mounted on the flexible circuit board 20, of course, the first voice coil 61 can also be mounted on the frame 10, and the first magnet 62 is mounted on The first frame 51;
  • the second voice coil motor 70 includes a second voice coil 71 and a second magnet 72 that forms a magnetic gap with the second voice coil 71, the second voice coil 71 is mounted on the flexible circuit board 20,
  • the second magnet 72 is mounted on the second frame 52 so that the first voice coil motor 60 can adjust the second prism system 50 to rotate about the X axis in the frame 10, and the second voice coil motor 70 can adjust the second prism system 50 rotates around the Y axis in the frame 10.
  • the second prism system 50 further includes a first rotating shaft 54, a guide post 55, a second rotating shaft 56 and a limit spring 57.
  • the first frame 51 is rotatably connected to the frame 10 through the first rotating shaft 54 when the first voice coil After the motor 60 is energized, the first voice coil 61 will generate an induced magnetic field and interact with the permanent magnetic field of the first magnet 62, thereby driving the first frame 51 and the second frame 52 to rotate around the first rotation axis 54 or X axis.
  • two guide posts 55 are installed on the side of the first frame body 51 away from the first rotation shaft 54, corresponding to the frame 10
  • Two guide grooves 12 are provided, and two guide posts 55 are respectively inserted into the two guide grooves 12 and can slide in the two guide grooves 12 respectively.
  • the first frame 51 and the second frame 52 are rotatably connected by a second rotating shaft 56.
  • the second voice coil motor 70 is energized, the second voice coil 71 will generate an induced magnetic field and interact with the permanent magnetic field of the second magnet 72
  • the second frame 52 is driven to rotate around the second rotation shaft 56 which is the Y axis.
  • the limit spring 57 is disposed adjacent to the first rotating shaft 54. One end of the limit spring 57 is connected to the first frame body 51, and the other end of the limit spring 57 is connected to the frame 10.
  • the first prism system 30 further includes a limit pin 58, a limit hole 511 is provided on the first frame 51, one end of the limit pin 58 is installed on the second frame 52, and the other end of the limit pin 58 is inserted Placed in the limiting hole 511, the outer diameter of the limiting pin 58 is smaller than the inner diameter of the limiting hole 511, so that the second frame 52 can rotate with a small amplitude relative to the first frame 51.
  • the number of the second rotating shaft 56, the limiting pin 58 and the limiting hole 511 are two, and the two second rotating shafts 56 and the two limiting pins 58 are respectively installed above and below the second frame 52 At both ends, the two limiting holes 511 are located at the upper and lower ends of the first frame 51 respectively, so that the second frame 52 and the second prism 53 are more stable during rotation.
  • the image pickup device 1 also has a third voice coil motor 80 for adjusting the movement of the lens assembly 40 in the Z-axis direction within the frame 10.
  • the lens assembly 40 includes a lens 41 and two guide rods 42.
  • the lens 41 includes a lens barrel 411 and settings In the lens group 412 in the lens barrel 411, the third voice coil motor 80 includes a third voice coil 81 and a third magnet 82 forming a magnetic gap with the third voice coil 81.
  • the third voice coil 81 is mounted on the flexible circuit board 20 It is also electrically connected to the flexible circuit board 20.
  • the third voice coil 81 can also be installed on the frame 10, the third magnet 82 is fixedly installed on the outer wall of the lens barrel 411, and one of the guide rods 42 is installed away from the frame 10
  • One side of the third voice coil motor 80 and the lens barrel 411 are snapped and connected to the guide rod 42
  • the other guide rod 42 is fixedly mounted on the lens barrel 411 and the guide rod 42 is slidingly connected to the other side of the frame 10, so that
  • the third voice coil motor 80 drives the lens 41 to move in the Z-axis direction to adjust the focal length.
  • the imaging device 90 is provided with a circuit board 91 and a sensor 92 electrically connected to the circuit board 91.
  • the imaging device 90 is mainly used to receive the light reflected by the second prism system 50, so as to be performed on the imaging device 90
  • the imaging device 90 is mounted on the frame 10 and faces the second prism 53.
  • the present invention also provides a mobile electronic device 100, which includes a housing 110 and the image pickup device 1 disposed in the housing 110 as described above, wherein the length direction of the housing 110 is consistent with the Z-axis direction, The width of the housing 110 coincides with the X-axis direction, and the thickness direction coincides with the Y-axis direction.
  • the thickness of the installation space required by the image pickup device 1 in the mobile electronic device 100 will only be related to the thickness of the frame 10 in the Y-axis direction. Therefore, even if there are more lenses in the lens assembly 40, it will not affect the image pickup device.
  • the overall external dimensions of the mobile electronic device 100 of 1.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

本发明提供一种图像采集器及移动电子设备，图像采集器包括框架、与框架连接的柔性电路板、安装于框架中部的镜头组件、安装于框架一端并位于镜头组件物侧以用于接收光线的第一棱镜系统、安装于框架另一端并位于镜头组件像侧的第二棱镜系统、用于驱动第二棱镜系统在框架内绕X轴方向转动的第一音圈电机以及用于驱动第二棱镜系统在框架内绕Y轴方向转动的第二音圈电机，第一音圈电机和第二音圈电机分别与柔性电路板电性连接。本发明中由Y轴方向入射的光线经第一棱镜系统反射后沿Z轴进入到镜头组件内，光线再经第二棱镜系统反射后沿X轴方向射出，从而使得镜头组件内镜片即使再多，也不会影响具有该图像采集器的移动电子设备的整体外观尺寸。

Description

一种图像采集器及移动电子设备 【技术领域】
本发明涉及光学成像技术领域，尤其涉及一种应用于手机等移动电子设备内的图像采集器。
【背景技术】
近年来，随着成像技术的发展及具有成像功能的电子产品的兴起，光学镜头被广泛地应用在各种电子产品中。现有技术中，一般的镜头都是光线直接从物侧射入，沿着光轴直线通过镜头组到达成像芯片(sensor)，对于手机来说，就是从手机屏幕这一侧沿着手机厚度方向直线到达芯片。如此设计，当镜头的镜片较多时，势必要求手机提供更厚的空间，或者将镜头向外突出，这与手机的轻薄化趋势和美观要求不符。
因此，有必要提供一种图像采集器来解决现有镜头的镜片较多时会影响移动电子设备整体外观的问题。
【发明内容】
本发明的目的在于提供一种在镜头的镜片较多时不会影响移动电子设备整体外观的图像采集器。
本发明的技术方案如下：
为实现上述目的，本发明提供了一种图像采集器，包括框架、与所述框架连接的柔性电路板、安装于所述框架中部的镜头组件、安装于所述框架一端并位于镜头组件物侧以用于接收光线的第一棱镜系统、安装于所述框架另一端并位于镜头组件像侧的第二棱镜系统、用于驱动所述第二棱镜系统在所述框架内绕X轴方向转动的第一音圈电机以及用于驱动所述第二棱镜系统在所述框架内绕Y轴方向转动的第二音圈电机，所述第一音圈电机和第二音圈电机分别与所述柔性电路板电性连接，所述X轴方向与Y轴方向垂直。
作为一种改进，所述第一棱镜系统包括第一棱镜，第二棱镜系统包括第二棱镜，所述第一棱镜用于接收沿Y轴方向入射的光线并沿Z轴方向反射至镜头组件，所述第二棱镜用于接收来自镜头组件的光线并沿X轴方向反射该光线，所述Z轴方向分别与X轴方向和Y轴方向垂直。
作为一种改进，所述第二棱镜系统还包括与所述框架转动连接的第一框体以及与所述第一框体转动连接的第二框体，第二棱镜安装于所述第二框体内，所述第一音圈电机包括第一音圈及与所述第一音圈形成磁间隙的第一磁铁，所述第一音圈相对所述框架固定，所述第一磁铁安装于所述第一框体上；所述第二音圈电机包括第二音圈及与所述第二音圈形成磁间隙的第二磁铁，所述第二音圈相对所述柔性电路板固定，所述第二磁铁安装于所述第二框体上。
作为一种改进，所述第二棱镜系统还包括限位弹簧，所述限位弹簧的一端与所述第一框体连接、另一端与所述框架连接。
作为一种改进，所述第二棱镜系统还包括限位销，所述第一框体上设有限位孔，所述限位销的一端安装于所述第二框体上、另一端插置于所述限位孔内，且所述限位销的外径小于所述限位孔的内径。
作为一种改进，所述限位销和限位孔的数量都为两个，两个所述限位销分别安装于所述第二框体两侧，两个所述限位孔分别位于所述第一框体两侧。
作为一种改进，所述图像采集器还具有用于调节所述镜头组件在所述框架内沿Z轴方向移动且与所述柔性电路板电性连接的第三音圈电机，所述镜头组件包括镜头，所述镜头包括镜筒及设置于所述镜筒内的镜片组，所述第三音圈电机包括第三音圈及与所述第三音圈形成磁间隙的第三磁铁，所述第三音圈相对所述框架固定，所述第三磁铁安装于所述镜筒上。
作为一种改进，所述镜头组件还包括两个导杆，其中一个所述导杆安装于所述框架之远离所述第三音圈电机的一侧且与所述镜筒卡插连接，另一个所述导杆安装于所述镜筒上并与所述框架另一侧滑动连接。
作为一种改进，所述图像采集器还包括用于接收所述第二棱镜系统之 反射光线的成像装置，所述成像装置内设有电路板及与电路板电性连接的传感器，所述成像装置安装于所述框架上。
本发明还提供了一种移动电子设备，包括壳体，所述移动电子设备还包括装设于所述壳体内的如上述所述的图像采集器。
本发明的有益效果是：本发明中由Y轴方向入射的光线经第一棱镜系统反射后沿Z轴进入到镜头组件内，光线再经第二棱镜系统反射后沿X轴方向射出，从而使得镜头组件内镜片即使再多，也不会影响具有该图像采集器的移动电子设备的整体外观尺寸，同时，在图像采集器内设置用于驱动第二棱镜系统在框架内绕X轴方向转动的第一音圈电机以及用于驱动第二棱镜系统在框架内绕Y轴方向转动的第二音圈电机，使得第二棱镜系统在第一音圈电机及第二音圈电机的驱动作用下能自动校正角度，图像采集器的成像角度更广，其成像效果更好。
【附图说明】
图1为本发明图像采集器的立体图。
图2为图1中A-A处的剖面示意图。
图3为图像采集器去掉外皮后的立体图。
图4为图3中的图像采集器去掉成像装置和柔性电路板后的立体图。
图5为图4中B处的局部放大示意图。
图6为图4中的图像采集器去掉镜头组件和第一棱镜系统后的立体图。
图7为图6的爆炸示意图。
图8为本发明第三音圈电机安装于镜头组件上的立体图。
图9为图8的爆炸示意图。
图10为移动电子设备的立体图。
图中：1、图像采集器；10、框架；11、外皮；12、导向槽；20、柔性电路板；30、第一棱镜系统；31、第一棱镜；40、镜头组件；41、镜头；411、镜筒；412、镜片组；42、导杆；50、第二棱镜系统；51、第一框体；511、限位孔；52、第二框体；53、第二棱镜；54、第一转轴；55、导向柱；56、第二转轴；57、限位弹簧；58、限位销；60、第一音圈电机；61、第 一音圈；62、第一磁铁；70、第二音圈电机；71、第二音圈；72、第二磁铁；80、第三音圈电机；81、第三音圈；82、第三磁铁；90、成像装置；91、电路板；92、传感器；100、移动电子设备；110、壳体。
【具体实施方式】
下面结合附图和实施方式对本发明作进一步说明。
需要说明的是，本实用新型实施例中所有方向性指示(诸如上、下、内、外、顶部、底部……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
请参阅图1-9，本发明的实施例提供一种图像采集器1，图像采集器1包括框架10、柔性电路板20、第一棱镜系统30、镜头组件40、第二棱镜系统50、第一音圈电机60、第二音圈电机70、第三音圈电机80及成像装置90，第一棱镜系统30和第二棱镜系统50分别安装于框架10的两端，镜头组件40安装于框架10的中部并位于第一棱镜系统30和第二棱镜系统50之间，柔性电路板20安装于框架10上，本实施例中第一音圈电机60和第二音圈电机70都与柔性电路板20电性连接，为防止外部光线直接进入到镜头组件40内，框架10外侧包有外皮11。本发明中定义沿框架10的宽度方向为X轴方向，沿框架10的高度方向为Y轴方向，沿框架10的长度方向为Z轴方向，X轴方向、Y轴方向和Z轴方向两两相互垂直。优选地，第一棱镜系统30与框架10滑动连接，第一棱镜系统30位于镜头组件40物侧，第二棱镜系统50位于镜头组件40像侧，由Y轴方向入射的光线经第一棱镜系统30反射后沿Z轴进入到镜头组件40内，沿Z轴进入到镜头组件40内的光线再经第二棱镜系统50反射后沿X轴方向射出至成像装置90。
本实施例中，第一音圈电机60用于调节第二棱镜系统50在框架10内绕X轴方向转动，第二音圈电机70用于调节第二棱镜系统50在框架10内绕Y轴方向转动，第二棱镜系统50在第一音圈电机60及第二音圈电机70的驱动作用下能自动校正角度，从而使得图像采集器1的成像角度更广，成像效果更好。
请一并参阅图2和图7，优选地，本发明中第一棱镜系统30包括第一棱镜31，第二棱镜系统50包括与框架10滑动连接的第一框体51、与第一框体51转动连接的第二框体52以及安装于第二框体52内的第二棱镜53，第二棱镜53与第二框体52同步运动，本实施例中第一棱镜31用于接收沿Y轴方向入射的光线并沿Z轴反射至镜头组件40，第二棱镜53用于接收来自镜头组件40的光线并沿X轴方向反射该光线，第一音圈电机60包括第一音圈61及与第一音圈61形成磁间隙的第一磁铁62，第一音圈61可安装于柔性电路板20上，当然，第一音圈61也可以安装于框架10上，第一磁铁62安装于所述第一框体51上；第二音圈电机70包括第二音圈71及与第二音圈71形成磁间隙的第二磁铁72，第二音圈71安装于柔性电路板20上，第二磁铁72安装于第二框体52上，这样，以便于第一音圈电机60调节第二棱镜系统50在框架10内绕X轴方向转动，第二音圈电机70调节第二棱镜系统50在框架10内绕Y轴方向转动。
具体地，第二棱镜系统50还包括第一转轴54、导向柱55、第二转轴56以及限位弹簧57，第一框体51通过第一转轴54与框架10转动连接，当第一音圈电机60通电后，第一音圈61将产生感应磁场并与第一磁铁62的永磁场相互作用，从而驱动第一框体51和第二框体52一起绕第一转轴54即X轴转动，为使第一框体51之远离第一转轴54的一侧转动更加平稳，在第一框体51之远离第一转轴54的一侧安装有两个导向柱55，在框架10上相对应的设有两个导向槽12，两个导向柱55分别插置于两个导向槽12并分别可在两个导向槽12内滑动。第一框体51与第二框体52之间通过第二转轴56转动连接，第二音圈电机70通电后，第二音圈71将产生感应磁场并与第二磁铁72的永磁场相互作用，从而驱动第二框体52绕第二转轴 56即Y轴转动。为保持第一框体51的平衡，限位弹簧57紧邻第一转轴54设置，限位弹簧57的一端与第一框体51连接，限位弹簧57的另一端与所述框架10连接。
优选地，第一棱镜系统30还包括限位销58，第一框体51上设有限位孔511，限位销58的一端安装于第二框体52上，限位销58的另一端插置于限位孔511内，限位销58的外径小于限位孔511的内径，这样，第二框体52能相对第一框体51作小幅度的转动。
本实施例中，第二转轴56、限位销58和限位孔511的数量都为两个，两个第二转轴56和两个限位销58都分别安装于第二框体52的上下两端，两个所述限位孔511分别位于所述第一框体51上下两端，以使得第二框体52及第二棱镜53在转动过程中更加平稳。
图像采集器1还具有用于调节镜头组件40在框架10内沿Z轴方向移动的第三音圈电机80，镜头组件40包括镜头41及两个导杆42，镜头41包括镜筒411及设置于镜筒411内的镜片组412，第三音圈电机80包括第三音圈81及与第三音圈81形成磁间隙的第三磁铁82，第三音圈81安装于柔性电路板20上并与柔性电路板20电性连接，当然第三音圈81也可以安装于框架10上，第三磁铁82固定安装于镜筒411的外侧壁上，其中一个导杆42安装于框架10之远离第三音圈电机80的一侧且镜筒411卡插连接于该导杆42上，另一个导杆42固定安装于镜筒411上且该导杆42与框架10另一侧滑动连接，以便于第三音圈电机80驱动镜头41沿Z轴方向移动以进行焦距调节。
本实施例中，成像装置90内设有电路板91及与电路板91电性连接的传感器92，该成像装置90主要用于接收第二棱镜系统50反射的光线，从而在成像装置90上进行成像，成像装置90安装于框架10上并正对第二棱镜53。
请参阅图10，本发明还提供一种移动电子设备100，包括壳体110以及设于壳体110内的如上所述的图像采集器1，其中壳体110的长度方向与Z轴方向一致，壳体110的宽度与X轴方向一致，厚度方向与Y轴方向 一致。图像采集器1在移动电子设备100内所需要的安装空间的厚度将只与框架10在Y轴方向的厚度有关，因此，镜头组件40内镜片即使再多，也不会影响具有该图像采集器1的移动电子设备100的整体外观尺寸。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (10)

  1. 一种图像采集器，其特征在于：包括框架、与所述框架连接的柔性电路板、安装于所述框架中部的镜头组件、安装于所述框架一端并位于镜头组件物侧以用于接收光线的第一棱镜系统、安装于所述框架另一端并位于镜头组件像侧的第二棱镜系统、用于驱动所述第二棱镜系统在所述框架内绕X轴方向转动的第一音圈电机以及用于驱动所述第二棱镜系统在所述框架内绕Y轴方向转动的第二音圈电机，所述第一音圈电机和第二音圈电机分别与所述柔性电路板电性连接，所述X轴方向与Y轴方向垂直。
  2. 根据权利要求1所述的图像采集器，其特征在于，所述第一棱镜系统包括第一棱镜，第二棱镜系统包括第二棱镜，所述第一棱镜用于接收沿Y轴方向入射的光线并沿Z轴方向反射至镜头组件，所述第二棱镜用于接收来自镜头组件的光线并沿X轴方向反射该光线，所述Z轴方向分别与X轴方向和Y轴方向垂直。
  3. 根据权利要求2所述的图像采集器，其特征在于，所述第二棱镜系统还包括与所述框架转动连接的第一框体以及与所述第一框体转动连接的第二框体，第二棱镜安装于所述第二框体内，所述第一音圈电机包括第一音圈及与所述第一音圈形成磁间隙的第一磁铁，所述第一音圈相对所述框架固定，所述第一磁铁安装于所述第一框体上；所述第二音圈电机包括第二音圈及与所述第二音圈形成磁间隙的第二磁铁，所述第二音圈相对所述柔性电路板固定，所述第二磁铁安装于所述第二框体上。
  4. 根据权利要求3所述的图像采集器，其特征在于，所述第二棱镜系统还包括限位弹簧，所述限位弹簧的一端与所述第一框体连接、另一端与所述框架连接。
  5. 根据权利要求3所述的图像采集器，其特征在于，所述第二棱镜系统还包括限位销，所述第一框体上设有限位孔，所述限位销的一端安装于所述第二框体上、另一端插置于所述限位孔内，且所述限位销的外径小于所述限位孔的内径。
  6. 根据权利要求5所述的图像采集器，其特征在于，所述限位销和限位孔的数量都为两个，两个所述限位销分别安装于所述第二框体两侧，两个所述限位孔分别位于所述第一框体两侧。
  7. 根据权利要求2所述的图像采集器，其特征在于，所述图像采集器还具有用于调节所述镜头组件在所述框架内沿Z轴方向移动且与所述柔性电路板电性连接的第三音圈电机，所述镜头组件包括镜头，所述镜头包括镜筒及设置于所述镜筒内的镜片组，所述第三音圈电机包括第三音圈及与所述第三音圈形成磁间隙的第三磁铁，所述第三音圈相对所述框架固定，所述第三磁铁安装于所述镜筒上。
  8. 根据权利要求7所述的图像采集器，其特征在于，所述镜头组件还包括两个导杆，其中一个所述导杆安装于所述框架之远离所述第三音圈电机的一侧且与所述镜筒卡插连接，另一个所述导杆安装于所述镜筒上并与所述框架另一侧滑动连接。
  9. 根据权利要求1所述的图像采集器，其特征在于，所述图像采集器还包括用于接收所述第二棱镜系统之反射光线的成像装置，所述成像装置内设有电路板及与电路板电性连接的传感器，所述成像装置安装于所述框架上。
  10. 一种移动电子设备，包括壳体，其特征在于，所述移动电子设备还包括装设于所述壳体内的如权利要求1至9任一项所述的图像采集器。
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