WO2017113548A1 - 一种光学防抖驱动器 - Google Patents

一种光学防抖驱动器 Download PDF

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Publication number
WO2017113548A1
WO2017113548A1 PCT/CN2016/079391 CN2016079391W WO2017113548A1 WO 2017113548 A1 WO2017113548 A1 WO 2017113548A1 CN 2016079391 W CN2016079391 W CN 2016079391W WO 2017113548 A1 WO2017113548 A1 WO 2017113548A1
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WO
WIPO (PCT)
Prior art keywords
coil
disposed
lens carrier
bracket
circuit board
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Application number
PCT/CN2016/079391
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English (en)
French (fr)
Inventor
王建华
Original Assignee
上海比路电子有限公司
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Application filed by 上海比路电子有限公司 filed Critical 上海比路电子有限公司
Publication of WO2017113548A1 publication Critical patent/WO2017113548A1/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
    • G02B7/02—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing

Definitions

  • the present invention relates to a lens driving device, and more particularly to an OIS optical image stabilization driver applied to a camera, a video camera, or a mobile phone device having a camera function to drive the lens to move to adjust the focal length.
  • OIS Optical Image Stabilization
  • the "optical axis offset" is corrected by the floating lens of the lens.
  • the principle is that a small movement is detected by the gyroscope in the lens, and then the signal is transmitted to the microprocessor, and the processor immediately calculates the amount of displacement to be compensated, and then By compensating the lens group, it compensates according to the lens's shaking direction and displacement amount; thus effectively overcoming image blur caused by camera vibration.
  • digital devices equipped with cameras or cameras such as mobile phones and multimedia players, have been rapidly developed and widely used.
  • the above camera or camera usually uses a lens with adjustable focal length or auto focus, and the adjustment process is to change the position of the lens.
  • the drive for driving the lens is usually driven by a motor.
  • a conventional camera that adjusts a focal length generally includes a stepping motor, a gear, a cam, and a connecting rod, and the like, such as a lens structure with a stable autofocus function, including a housing, is disclosed in Chinese Patent Publication No. CN2938165Y.
  • the motor, the first gear, the second gear, the lens module and the elastic component, the motor is disposed in the housing, the first gear is disposed in the housing and is fixed to the shaft of the motor, the second a gear is disposed in the housing and vertically meshes with the first gear, an upper surface of the second gear has a spiral bevel, the lens module is disposed in the housing, and the lens module has a second A bump that contacts the helical bevel of the gear.
  • the motor, the two gears, the housing, the spiral bevel, the bump, the lens module and the like make the camera larger in size and the transmission load, so it is difficult to adapt to the trend of miniaturization.
  • a driving device that generates power using a magnetic field is increasingly used.
  • a cylindrical yoke ring mounted on a base is disposed, and a magnet and a coil are disposed in the yoke ring.
  • a lens with a lens support is disposed on the circumference side; the magnet and the coil are disposed in the yoke ring a coil fixed to an outer circumference of a lens support body on an inner circumferential side of the yoke ring, the lens support body extending into the cylindrical yoke ring and movable in the yoke ring, the lens driving device further
  • the annular front end reed and the rear side reed have fixed outer peripheral side ends thereof fixedly coupled to the front side of the yoke ring, and a small cap that fixes the inner peripheral side end of the front reed
  • On the front side of the lens support there is also a frame which fixes the outer peripheral side end portion of the front side reed on the front side of the yoke ring.
  • the lens driving device utilizes electromagnetic induction of a magnet to cause a lens support disposed in the middle of the yoke ring to be displaced by a parallel electromagnetic force, and is disposed at a front reed and a rear spring of the lens support.
  • the sheet generates a reaction force, and when the electromagnetic force acting on the lens support body and the spring force of the reed are balanced, the lens support body is maintained at a certain position; that is, the electromagnetic force generated after the coil is energized is resistant to the
  • the urging force of the front side reed and the rear side reed drives the lens support to move in the optical axis direction.
  • the above-mentioned lens driving device can restrict the movement of the lens support body by the front and rear reeds thereof, it is resistant to bumps and impacts, but since the magnet and the coil are both integral, due to the difference between the magnet and the coil itself, The conductive coil generates a non-uniform thrust in the magnetic field, which causes jitter and affects the picture quality.
  • an optical anti-shake driver comprising: a base, a yoke iron shell disposed in cooperation with the base, wherein the yoke iron shell is provided with a bracket, and a lens carrier that cooperates with the bracket, a coil is disposed around the lens carrier, a magnet is disposed on an outer side of the coil, an upper spring is disposed between the bracket and the yoke iron shell, and a lower spring is sequentially disposed at a bottom of the lens carrier a metal gasket, a bottom coil, a circuit board, an upper end of the circuit board is connected to the bottom coil, a lower end is provided with a Hall element, and the lower spring, the metal gasket, the bottom coil, and the circuit board are all provided with corresponding screw holes
  • the metal wire is sequentially connected through the lower spring, the metal gasket, the bottom coil, and the wire hole of the circuit board to the bracket and the base at both ends of the metal wire.
  • the bracket is a square frame structure, and the four corners of the square frame structure are respectively provided with a cylindrical protrusion, and the inner side of each cylindrical protrusion is divided into two circular positions.
  • the upper spring has a square structure, and the four corners of the upper spring are provided with a circular hole that cooperates with the cylindrical protrusion of the bracket, and a circular positioning hole that cooperates with the circular positioning column of the bracket,
  • a lens hole is disposed in the center of the bracket, and the lens carrier is disposed in the lens hole.
  • the lens carrier is surrounded by a coil.
  • the coil includes four main sides in a square structure, and two adjacent mains.
  • the sides are connected by a beveled edge, and the bracket is provided with four magnets disposed in cooperation with the four main sides of the coil, the lens carrier is internally provided with a circular hole, the lower spring, the metal gasket, The inside of the bottom coil, the circuit board and the base are provided with a circular hole in which the lens carrier is matched, and the lens carrier is connected to the inside of the lower spring, the lower spring, the metal spacer, the bottom coil, and the four corners of the circuit board.
  • a wire hole is provided, which is connected to the bracket by a metal wire.
  • the present invention can realize the movement of the lens carrier in the vertical direction by the four magnets disposed on the four sides of the coil, and then the lens carrier is moved along the XY axis in the horizontal plane by the cooperation of the bottom coil and the magnet.
  • the distance between the magnet and the magnet can be detected by the Hall element, so that the current of the coil can be separately adjusted according to the actual motion condition, so that the motor operates smoothly and the jitter is eliminated.
  • the lower spring and the upper spring are arranged to be buffered in the moving jaw, and the stability of the motor running jaw is increased, the bracket, the lower spring, the metal gasket, the bottom coil, and the circuit board are connected by the wire, and the motor is added.
  • the stability of the homogenization increases the reaction speed of the focus adjustment. Therefore, the advantage of the present invention is that the anti-shake performance is good, and the improvement of the stability of the motor improves the reaction speed of the focusing.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • FIG. 2 is a blasting diagram of FIG. 1.
  • FIG. 3 is a schematic view of the connection of the bracket and the upper spring.
  • the figure includes a yoke iron shell 1, an upper spring 2, a bracket 3, a lens carrier 4, a coil 5, a magnet 6, a lower spring 7, a metal spacer 8, a bottom coil 9, a wiring board 10, and a Hall element 11 , metal wire 12, base 13, cylindrical protrusion 14, circular positioning post 15, circular hole 16, circular positioning hole 17, lens hole 18.
  • an optical anti-shake driver includes a base 13 and a yoke iron shell 1 disposed in cooperation with the base, wherein the yoke iron shell is provided with a bracket 3, and the bracket a lens carrier 4 is disposed around the lens carrier 4, a coil 5 is disposed around the lens carrier 4, a magnet 6 is disposed outside the coil 5, and an upper spring 2 is disposed between the bracket 3 and the yoke shell 1 4, a lower spring 7, a metal spacer 8, a bottom coil 9, and a circuit board 10 are sequentially disposed on the bottom, and the circuit board 10 is mounted on the base 13.
  • the upper end of the circuit board 10 is connected to the bottom coil 9, and the lower end is provided with a Hall element 11,
  • the lower spring, the metal gasket, the bottom coil and the circuit board are all provided with corresponding screw holes, and the metal wire 12 sequentially passes through the above-mentioned lower spring 7, the metal gasket 8, the bottom coil 9, and the wire of the circuit board 10.
  • the holes are connected to the bracket 3 and the base 13 at both ends of the metal wire 12.
  • the bracket 3 is a square frame structure, and the four corners of the square frame structure are respectively provided with a cylindrical protrusion 14 , and the inner side of each cylindrical protrusion 14 is divided into two.
  • a circular positioning post 15 the upper spring has a square structure, and the four corners of the upper spring are provided with a circular hole 16 that cooperates with the cylindrical protrusion 14 of the bracket, and a circular positioning post 16 with the bracket.
  • the lens is provided at the center of the lens with a lens hole 18, the lens carrier 4 is located in the lens hole 18, the lens carrier 4 is wound around the coil 5, and the coil 5 comprises a square structure.
  • the four main sides, the two adjacent main sides are connected by a beveled edge, and the bracket is provided with four magnets 6 disposed in cooperation with the four main sides of the coil, and the lens carrier 4 is internally provided with a
  • the round hole, the lower spring 7, the metal spacer 8, the bottom coil 9, the circuit board 10 and the base 13 are each provided with a circular hole in which the lens carrier 4 is matched, and the lens carrier 4 is connected to the inside of the lower spring 7.
  • a spin hole is disposed on each of the four corners of the lower spring, the metal gasket, the bottom coil, the circuit board and the base, and is connected to the bracket 3 through the metal wire 11.
  • the bottom coil 9 is an FP coil.
  • the lens carrier 4 is wound around the coil 5, and the four magnets 6 disposed on the outer side of the coil 5 are arranged such that the external control unit passes current into the coil 5 to generate a force in the magnetic field generated by the magnet, thereby pushing the lens carrier along the edge.
  • a bottom coil 9 is disposed under the lens carrier, and the bottom coil 9 is connected to the circuit, and a magnetic field generated by the magnet generates a force to push the lens carrier to move on a horizontal plane, and two vertical layers are disposed at the bottom of the circuit board.
  • the Hall element detects the distance between the X and Y directions of the magnet respectively, so as to adjust the current of the bottom coil according to the actual motion condition, so that the motor operates smoothly.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)

Abstract

一种光学防抖驱动器，包括底座（13），与底座（13）配合设置的磁轭铁壳（1），其特征在于所述磁轭铁壳（1）内设有支架（3），以及与所述支架（3）相配合的透镜载体（4），透镜载体（4）外绕设有线圈（5），所述线圈（5）的外侧设置有磁石（6），所述支架（3）和磁轭铁壳（1）之间设置上弹簧（2），所述透镜载体（4）底部依次设置下弹簧（7）、金属垫片（8）、底部线圈（9）、线路板（10），所述线路板（10）的上端与底部线圈（9）连接，下端设置霍尔元件（11），所述支架（3）、下弹簧（7）、金属垫片（8）、底部线圈（9）、线路板（10）均设置有对应的旋丝孔，金属旋丝（12）依次穿过上述下弹簧（7）、金属垫片（8）、底部线圈（9）、线路板（10）的旋丝孔与位于金属旋丝（12）两端的支架（3）和底座（13）连接。该驱动器防抖性能好，在提高马达稳定性的同时提高了调焦的反应速度。

Description

一种光学防抖驱动器
技术领域
[0001] 本发明涉及透镜驱动装置， 具体涉及一种应用于照相机、 摄像机或具有拍照功 能的手机登设备上以驱动镜头移动从而调节焦距的 OIS光学防抖驱动器。
背景技术
[0002] OIS的全称是 Optical Image Stabilization, 从字面理解就是稳定的光学图象。 通 过镜头的浮动透镜来纠正"光轴偏移"， 其原理是通过镜头内的陀螺仪侦测到微小 的移动， 然后将信号传至微处理器， 处理器立即计算需要补偿的位移量， 然后 通过补偿镜片组， 根据镜头的抖动方向及位移量加以补偿； 从而有效的克服因 相机的振动产生的影像模糊。 随着数码产品的功能多样化， 配备有摄像机或照 相机的数码设备， 如手机、 多媒体播放器等， 得到高速发展和广泛应用。 上述 摄像机或者照相机， 通常会采用焦距可调或者自动对焦的镜头， 而调节的过程 则是改变镜头的位置， 用于驱动镜头移动通常是用驱动马达。
[0003] 传统的照相机其调节焦距的驱动装置通常包括步进电机、 齿轮、 凸轮以及连杆 等构件组成， 如中国专利文献 CN2938165Y公幵的一种具有稳定自动对焦功能的 镜头结构， 包括壳体、 马达、 第一齿轮、 第二齿轮、 镜头模块及弹性组件， 所 述马达设置于该壳体内， 所述第一齿轮设置于该壳体内并固定于该马达的轴心 上， 所述第二齿轮设置于该壳体内并与该第一齿轮垂直地啮合在一起， 所述第 二齿轮的上表面具有一螺旋状斜面， 所述镜头模块设置于该壳体内， 并且镜头 模块具有一与第二齿轮的螺旋状斜面接触的凸块。 其中涉及电机、 两个齿轮、 壳体、 螺旋斜面、 凸块、 镜头模块等众多部件， 使得照相机的尺寸较大， 传动 负载， 因此很难适应小型化的趋势。
[0004] 为了适应照相机小型化的要求， 越来越多地采用一种利用磁场产生动力的驱动 装置。 在中国发明专利号为 ZL200410017724.3的一种透镜驱动装置中所公幵的 方案中， 包括一安装在底座上的筒状磁轭环， 该磁轭环内安置有磁石和线圈， 该线圈内周侧设置有带透镜支撑体的透镜； 所述磁石和线圈安置在该磁轭环内 部， 该线圈固定在该磁轭环内周侧的透镜支撑体的外周上， 该透镜支撑体伸入 所述筒状磁轭环内并可在该磁轭环中移动， 所述透镜驱动装置还包括环形的前 侧簧片和后侧簧片， 它们的外周侧端部与所述磁轭环的前侧固定连接， 还有一 小帽， 该小帽将所述前侧簧片内周侧端部固定在所述透镜支撑体前侧上， 还有 一框架， 该框架将所述前侧簧片外周侧端部固定在所述磁轭环的前侧上。
[0005] 上述透镜驱动装置利用磁石的电磁感应作用， 使安置在磁轭环中间的透镜支撑 体受到平行的电磁力作用产生位移， 同吋安置在透镜支撑体的前侧簧片和后侧 簧片产生反作用力， 当作用在透镜支撑体上的电磁力和簧片弹力达到平衡吋， 该透镜支撑体保持在一定的位置上； 即所述线圈通电后所产生的电磁力相抗于 所述前侧簧片和后侧簧片的作用力， 驱使所述透镜支撑体向光轴方向移动。
[0006] 上述透镜驱动装置虽然能够通过其前后两侧簧片限制透镜支撑体移动， 使之具 有耐颠簸与冲击性能， 但是由于磁石和线圈都是一个整体， 由于磁石和线圈本 身的差异性导致导电线圈在磁场中产生的推力不均匀， 因此会造成抖动， 影响 画面质量。
技术问题
问题的解决方案
技术解决方案
[0007] 本发明的目的是提供一种防抖性能好的光学防抖驱动器。
[0008] 为了实现上述目的， 本发明的技术方案为： 一种光学防抖驱动器， 包括底座， 与底座配合设置的磁轭铁壳， 其特征在于所述磁轭铁壳内设有支架， 以及与所 述支架相配合的透镜载体， 透镜载体外绕设有线圈， 所述线圈的外侧设置有磁 石， 所述支架和磁轭铁壳之间设置上弹簧， 所述透镜载体底部依次设置下弹簧 、 金属垫片、 底部线圈、 线路板， 所述线路板的上端与底部线圈连接， 下端设 置霍尔元件， 所述下弹簧、 金属垫片、 底部线圈、 线路板均设置有对应的旋丝 孔， 金属旋丝依次穿过上述下弹簧、 金属垫片、 底部线圈、 线路板的旋丝孔与 位于金属旋丝两端的支架和底座连接。
[0009] 根据本发明的优选实施例， 所述支架为方形框架结构， 所述方形框架结构的四 个角分别设置有一圆柱形凸起， 每一圆柱形凸起的内侧分设两个圆形定位柱， 所述上弹簧为方形结构， 所述上弹簧的四个角处设置有与支架的圆柱形凸起相 配合的圆形孔， 以及与支架的圆形定位柱相配合的圆形定位孔， 所述支架的中 央设置有与透镜载体相配合的透镜孔， 所述透镜载体位于该透镜孔内， 透镜载 体外绕设有线圈， 所述线圈包括呈方形结构的四条主边， 两条相邻主边之间通 过一斜边相连， 所述支架上设置有与所述线圈的四条主边相配合设置的四个磁 石， 所述透镜载体内部设有一圆孔， 所述下弹簧、 金属垫片、 底部线圈、 线路 板和底座的内部均设置有透镜载体相配合的圆孔， 所述透镜载体与下弹簧的内 部相连， 下弹簧、 金属垫片、 底部线圈、 和线路板的四个边角上均设置有一旋 丝孔， 通过金属旋丝与支架连接。
发明的有益效果
有益效果
[0010] 本发明通过设置在线圈四边的四个磁石与线圈配合， 可实现透镜载体沿垂直方 向移动， 然后通过底部线圈与磁石的配合实现透镜载体在水平面上沿 XY轴移动
， 并通过霍尔元件可检测与磁石的距离， 以便根据实际运动情况分别调节线圈 的电流， 使得马达动作平稳， 消除抖动。 并且由于下弹簧和上弹簧的设置使其 在移动吋得到缓冲， 增加马达运行吋的稳定性， 所述上述支架、 下弹簧、 金属 垫片、 底部线圈、 线路板通过旋丝连接， 在增加马达稳定性的同吋提高了调焦 的反应速度。 因此本发明的优点是防抖性能好， 在提高马达稳定性的同吋提高 了调焦的反应速度。
对附图的简要说明
附图说明
[0011] 图 1为本发明一实施例的结构示意图。
[0012] 图 2为图 1的的爆破图。
[0013] 图 3为支架和上弹簧连接示意图。
[0014]
实施该发明的最佳实施例
本发明的最佳实施方式 [0015] 下面结合附图和实例对本发明作详细说明。
[0016] 图中包括磁轭铁壳 1， 上弹簧 2， 支架 3， 透镜载体 4， 线圈 5， 磁石 6， 下弹簧 7 ， 金属垫片 8， 底部线圈 9， 线路板 10， 霍尔元件 11， 金属旋丝 12， 底座 13， 圆 柱形凸起 14， 圆形定位柱 15， 圆形孔 16， 圆形定位孔 17， 透镜孔 18。
[0017] 如图所示， 一种光学防抖驱动器， 包括底座 13， 与底座配合设置的磁轭铁壳 1 ， 其特征在于所述磁轭铁壳内设有支架 3， 以及与所述支架 3相配合的透镜载体 4 ， 透镜载体 4外绕设有线圈 5， 所述线圈 5的外侧设置有磁石 6， 所述支架 3和磁轭 铁壳 1之间设置上弹簧 2， 所述透镜载体 4底部依次设置下弹簧 7、 金属垫片 8、 底 部线圈 9、 线路板 10， 线路板 10安装在底座 13上， 所述线路板 10的上端与底部线 圈 9连接， 下端设置霍尔元件 11， 所述下弹簧、 金属垫片、 底部线圈和线路板均 设置有对应的旋丝孔， 金属旋丝 12依次穿过上述下弹簧 7、 金属垫片 8、 底部线 圈 9、 线路板 10的旋丝孔与位于金属旋丝 12两端的支架 3和底座 13连接。
[0018] 根据本发明的优选实施例， 所述支架 3为方形框架结构， 所述方形框架结构的 四个角分别设置有一圆柱形凸起 14， 每一圆柱形凸起 14的内侧分设两个圆形定 位柱 15， 所述上弹簧为方形结构， 所述上弹簧的四个角处设置有与支架的圆柱 形凸起 14相配合的圆形孔 16， 以及与支架的圆形定位柱 16相配合的圆形定位孔 1 7。 安装吋， 所述圆形定位柱 15穿入圆形定位孔 17后可利用热铆焊技术铆接， 方 便安装。
[0019] 所述支架的中央设置有与透镜载体相配合的透镜孔 18， 所述透镜载体 4位于该 透镜孔 18内， 透镜载体 4外绕设有线圈 5， 所述线圈 5包括呈方形结构的四条主边 ， 两条相邻主边之间通过一斜边相连， 所述支架上设置有与所述线圈的四条主 边相配合设置的四个磁石 6， 所述透镜载体 4内部设有一圆孔， 所述下弹簧 7、 金 属垫片 8、 底部线圈 9、 线路板 10和底座 13的内部均设置有透镜载体 4相配合的圆 孔， 所述透镜载体 4与下弹簧 7的内部相连， 下弹簧、 金属垫片、 底部线圈、 线 路板和底座的四个边角上均设置有一旋丝孔， 通过金属旋丝 11与支架 3连接。 所 述底部线圈 9为 FP线圈。
[0020] 透镜载体 4外绕设有线圈 5， 线圈 5外侧配合设置的四个磁石 6， 这样外接控制单 元将电流通入线圈 5， 使其在磁石产生的磁场中产生力， 推动镜头载体沿垂直方 向上下移动， 同吋在透镜载体下方设置有底部线圈 9， 该底部线圈 9通入电路， 与磁石产生的磁场产生力推动镜头载体在水平面上移动， 同吋在线路板底部设 置两个相互垂直的霍尔元件， 分别检测与磁石之间 X方向和 Y方向的距离， 以便 根据实际运动情况分别调节底部线圈的电流， 使得马达动作平稳。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不能认 定本发明具体实施只局限于上述这些说明。 对于本发明所属技术领域的普通技 术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干简单推演或替换 ， 都应当视为属于本发明的保护范围。

Claims

权利要求书
[权利要求 1] 一种光学防抖驱动器， 包括底座， 与底座配合设置的磁轭铁壳， 其特 征在于所述磁轭铁壳内设有支架， 以及与所述支架相配合的透镜载体 ， 透镜载体外绕设有线圈， 所述线圈的外侧设置有磁石， 所述支架和 磁轭铁壳之间设置上弹簧， 所述透镜载体底部依次设置下弹簧、 金属 垫片、 底部线圈、 线路板， 所述线路板的上端与底部线圈连接， 下端 设置霍尔元件， 所述下弹簧、 金属垫片、 底部线圈、 线路板均设置有 对应的旋丝孔， 金属旋丝依次穿过上述下弹簧、 金属垫片、 底部线圈 、 线路板的旋丝孔与位于金属旋丝两端的支架和底座连接。
2.按权利要求 1所述的光学防抖驱动器， 其特征在于： 所述支架为方 形框架结构， 所述方形框架结构的四个角分别设置有一圆柱形凸起， 每一圆柱形凸起的内侧分设两个圆形定位柱， 所述上弹簧为方形结构 ， 所述上弹簧的四个角处设置有与支架的圆柱形凸起相配合的圆形孔 ， 以及与支架的圆形定位柱相配合的圆形定位孔。
3.按权利要求 2所述的光学防抖驱动器， 其特征在于所述支架的中央 设置有与透镜载体相配合的透镜孔， 所述透镜载体位于该透镜孔内， 透镜载体外绕设有线圈， 所述线圈包括呈方形结构的四条主边， 两条 相邻主边之间通过一斜边相连， 所述支架上设置有与所述线圈的四条 主边相配合设置的四个磁石， 所述透镜载体内部设有一圆孔， 所述下 弹簧、 金属垫片、 底部线圈、 线路板和底座的内部均设置有透镜载体 相配合的圆孔， 所述透镜载体与下弹簧的内部相连， 下弹簧、 金属垫 片、 底部线圈、 线路板和底座的四个边角上均设置有一旋丝孔， 通过 金属旋丝与支架连接。
[权利要求 4] 按权利要求 3所述的光学防抖驱动器， 其特征在于： 在线路板底部设 置两个相互垂直的霍尔元件。
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