WO2021000161A1 - 镜头模组 - Google Patents

镜头模组 Download PDF

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Publication number
WO2021000161A1
WO2021000161A1 PCT/CN2019/094061 CN2019094061W WO2021000161A1 WO 2021000161 A1 WO2021000161 A1 WO 2021000161A1 CN 2019094061 W CN2019094061 W CN 2019094061W WO 2021000161 A1 WO2021000161 A1 WO 2021000161A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
lens
side plate
conductive member
lens module
Prior art date
Application number
PCT/CN2019/094061
Other languages
English (en)
French (fr)
Inventor
张晋
李刚
卢继亮
李林珍
Original Assignee
瑞声光学解决方案私人有限公司
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 瑞声光学解决方案私人有限公司 filed Critical 瑞声光学解决方案私人有限公司
Priority to PCT/CN2019/094061 priority Critical patent/WO2021000161A1/zh
Priority to CN201921052902.4U priority patent/CN210351316U/zh
Priority to US16/916,152 priority patent/US11402598B2/en
Priority to JP2020113568A priority patent/JP6865320B2/ja
Publication of WO2021000161A1 publication Critical patent/WO2021000161A1/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
    • 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
    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification

Definitions

  • the utility model relates to the technical field of lens optical imaging, in particular to a lens module.
  • the high-performance lens module generally has auto focus (Auto Focusing, AF) and optical image stabilization (Optical Image Stabilization, OIS) function.
  • the high-performance lens module needs to move the lens along the optical axis of the lens when autofocusing.
  • OIS optical Image Stabilization
  • the high-performance lens module needs to move the lens along the direction perpendicular to the optical axis of the lens.
  • AF components including lenses, lens mounts, etc.
  • the suspension wires not only support the AF components, but also have a conductive function, which can transmit electrical signals from the OIS components.
  • each suspension wire is connected to a conductive part on the AF assembly.
  • the suspension wire cannot be soldered to the conductive part with solder paste all around. , Affect the stability of the suspension wire welding to the conductive part, and then affect the electrical signal transmission between the suspension wire and the conductive part, and affect the electrical signal transmission between the OIS component and the AF component.
  • the purpose of the present utility model is to provide a lens module, which aims to solve the technical problem of poor electrical signal transmission performance between the anti-shake device and the autofocus device.
  • a lens module including a base, a lens holder, and a support assembly for supporting the lens mount, the lens mount is suspended in the base through the support assembly;
  • the lens mount includes a connecting portion for fixedly connecting the support assembly and a conductive member arranged on the connecting portion, the connecting portion is provided with a groove, and the conductive member is provided with a connecting portion directly opposite to the groove
  • the support assembly includes at least two support members, one end of each support member is fixed to the base, and the other end of each support member is welded to the conductive member through the groove
  • the connection port is a through hole closed on all sides.
  • the lens holder further includes a base, a lens holder with a lens installed on the base, and a shape memory alloy wire for driving the lens holder to move along the optical axis of the lens.
  • the base A wire binding clip is provided;
  • the shape memory alloy wire includes an end connected to the wire binding clip and a driving end connected to the lens holder;
  • the conductive member includes a first wire adjacent to the wire binding clip A conductive element, the first conductive element is opposite to the wire binding clip with a space between them.
  • the side of the first conductive member opposite to the wire binding clip is provided with a gap, and the distance between the side with the notch of the first conductive member and the wire binding clip is 0.05 mm-0.15mm.
  • the base is square and includes four side plates arranged in the circumferential direction and four corners between adjacent side plates.
  • the shape memory alloy wire includes two ends, the driving end is arranged between the two ends, one end is connected to the binding wire clip, and the two binding wire clips are respectively fixed to the Said one side panel is opposite to the other side panel.
  • the conductive member includes two first conductive members arranged symmetrically about the other center line of the base and two second conductive members arranged symmetrically about the other center line of the base. Two of the first conductive members are respectively provided on the upper ends of the connecting portions corresponding to the two binding clips, and the two second conductive members are respectively provided on the upper ends of the other two connecting portions .
  • the first conductive member further includes a first welding part bent on the opposite side of the connecting port, and the second conductive member further includes a second welding part welded to the first circuit board. unit.
  • the four side plates arranged in the circumferential direction of the base are provided with a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the side plates of the first circuit board are installed Is the third side plate, the fourth side plate is opposite to the third side plate, the first side plate and the second side plate are opposite and connected between the third and fourth side plates;
  • the lens module also includes two Symmetrically arranged electrical connectors, two of the electrical connectors are respectively attached to the first and second side plates, and the electrical connectors include a third welding part welded to the first circuit board and a bending A fourth welding part folded to the fourth side plate and welded to the first welding part;
  • the first circuit board includes two terminals respectively bent and extended to the first and second side plates, so The third welding part is welded to the terminal.
  • the base includes a substrate and a frame fixed on the substrate, and the substrate and the frame together form an accommodation space for accommodating the lens holder;
  • the first and second A first protrusion is provided on the outer side of the side plate away from the optical axis, the electrical connector is provided with a through hole corresponding to the first protrusion, and the electrical connector communicates with the first protrusion through the through hole.
  • the protrusions are buckled and attached to the first and second side plates.
  • the third side plate is provided with a second protrusion at one end far away from the optical axis and away from the substrate, and the fourth side plate is provided with a third protrusion at the outside far from the optical axis.
  • the first, second and third projections jointly limit the movement of the lens mount in a direction perpendicular to the optical axis of the lens.
  • the lens module further includes a housing sleeved on the base, the housing includes a top wall and a side wall, the side wall is fixed to the substrate, and the frame is away from the base.
  • One end of the base plate is connected to the top wall; the end of the first and second side plates away from the base plate is also provided with a fourth protrusion for restricting the lens mount along the light of the lens.
  • the axis direction is away from the movement of the substrate.
  • connection port on the conductive element as a through hole closed on all sides, it can be ensured that solder paste can be applied around the end of the support element passing through the connection port, and the support element can be firmly welded to the conductive element Therefore, the electric signal transmission between the supporting member and the conductive member can be ensured, and the electric signal transmission between the anti-shake device and the auto-focusing device can be further ensured.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a lens module provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the exploded structure of the lens module provided by the embodiment of the utility model
  • FIG. 3 is a schematic diagram of the three-dimensional structure of the lens module provided by the embodiment of the utility model with the outer shell removed;
  • Figure 4 is a three-dimensional schematic diagram of the base and the electrical connector provided by the embodiment of the utility model at an angle of cooperation;
  • FIG. 5 is a schematic diagram of a three-dimensional structure of a first conductive element provided by an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a three-dimensional structure of a second conductive element provided by an embodiment of the present invention.
  • Figure 7 is a partial enlarged schematic diagram of circle A in Figure 3
  • FIG. 8 is a schematic diagram of a three-dimensional structure of a base provided by an embodiment of the utility model
  • FIG. 9 is a schematic diagram of a three-dimensional structure of an electrical connector provided by an embodiment of the utility model.
  • FIG. 10 is a schematic perspective view of another angle of the mating of the base and the electrical connector provided by the embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a three-dimensional structure of a housing provided by an embodiment of the present invention.
  • an embodiment of the present invention provides a lens module 100, including a base 1, a lens holder 2, and a support assembly 4 for supporting the lens holder 2.
  • the support assembly 4 includes a plurality of support members 41,
  • the lens mount 2 is suspended in the base 1 through the support assembly 4.
  • the lens module 100 further includes a driving assembly 5 for driving the lens holder 2 to move in a direction perpendicular to the optical axis of the lens, and the driving assembly 5 is arranged between the lens holder 2 and the base 1.
  • the base 1 includes a substrate 11 and a frame body 12 fixed on the substrate 11, and the substrate 11 and the frame body 12 jointly form an accommodation space for accommodating the lens holder 2.
  • the lens holder 2 includes a connecting portion 23 for fixing the support assembly 4 and a conductive member 3 provided on the connecting portion 23.
  • the connecting portion 23 is provided with a groove 231, and the conductive member 3 is positive
  • the groove 231 is provided with a connecting port 312/321
  • the support assembly 4 includes at least two support members 41, one end of each support member 41 is fixed to the base 1, and the other end of each support member 41 passes through the groove 231 It is welded to the connecting port 312/321 of the conductive member 3, and the connecting port 312/321 is a through hole closed on all sides.
  • the support 41 is made of a high-strength conductive metal material, which has good support strength and conductivity, and can transmit electrical signals from the anti-shake device to the auto-focusing device.
  • connection port 312/321 on the conductive member 3 By setting the connection port 312/321 on the conductive member 3 to be closed around The through holes can ensure that the supporting member 41 can be filled with solder paste around one end of the connecting port 312/321, and the supporting member 41 can be firmly welded to the conductive member 3, so it can ensure that the supporting member 41 and the conductive member 3
  • the electric signal transmission further ensures the electric signal transmission between the anti-shake device and the auto focus device.
  • the lens holder 2 also includes a base 21, a lens holder 22 with a lens (not shown in the figure) installed on the base 21, and a shape memory alloy wire 24 for driving the lens holder 22 to move along the optical axis of the lens.
  • a wire binding clip 25 is provided;
  • the shape memory alloy wire 24 includes an end 241 connected to the wire binding clip 25 and a driving end 242 connected to the lens holder 22 (see FIG. 4);
  • the conductive member 3 includes the wire binding clip 25 adjacent to The first conductive member 31, the first conductive member 31 and the wire binding clip 25 are opposed to each other with a distance L between them.
  • the side of the first conductive member 31 opposite to the wire binding clip 25 is provided with a notch 311, and the distance L between the side of the first conductive member 31 with the notch 311 and the wire binding clip 25 is in the range of 0.05 mm-0.15mm. In this embodiment, the distance L is set to 0.1 mm.
  • the base 21 is square and includes four side plates arranged in the circumferential direction and four corners between adjacent side plates.
  • the shape memory alloy wire 24 includes two ends 241.
  • the driving end 242 is arranged between the two ends 241.
  • One end 241 is connected to a wire binding clip 25, and the two wire binding clips 25 are respectively fixed on the opposite side of the one side plate.
  • the conductive element 3 includes two first conductive elements 31 arranged symmetrically with respect to a center line of the base 21 and two second conductive elements 32 arranged symmetrically with respect to the other center line of the base 21, and the two first conductive elements 31 are respectively arranged
  • the first conductive member 31 further includes a first welding portion 313 bent on the opposite side of the connecting opening 312, and the first The welding parts 313 are arranged oppositely, and the two second conductive members 32 are respectively arranged at the upper ends of the other two connecting parts 23.
  • the second conductive parts 32 further include a second welding part 322 welded to the first circuit board 6.
  • the four circumferential side plates that define the base 21 are respectively the first to fourth side plates 211/212/213/214, and the side plate on which the first circuit board 6 is installed is the first side plate.
  • Two first conductive members 31 are respectively mounted on the connecting portion 23 at the corner formed by the first and second side plates 211/212 and the fourth side plate 214, and two second conductive members 32 are respectively mounted on the first and second side plates.
  • the lens module 100 further includes a second circuit board 7 (see FIG. 2) for supplying power to the driving assembly 5 and the supporting assembly 4.
  • the second circuit board 7 is fixed on the base 1 and located between the lens holder 2 and the base 1.
  • the lens module 100 includes four supporting members 41. One end of the two supporting members 41 is electrically connected to the first conductive member 31 through the connection port 312, and the other two supporting members 41 are electrically connected to the second conductive member 31 through the connection port 321. The other ends of the four supporting members 32 and 41 are all fixedly connected to the second circuit board 7 and electrically connected to it.
  • the four supporting members 41 can not only support the lens holder 2 firmly, but also transmit current from the anti-shake module to Automatic focusing module.
  • the lens module 100 further includes two symmetrically arranged electrical connectors 9, the two electrical connectors 9 are attached to the first and second side plates 211/212, and are electrically connected
  • the member 9 includes a third welding portion 91 welded to the first circuit board 6 and a fourth welding portion 92 bent to the fourth side plate 214 and welded to the first conductive member 31.
  • the fourth welding part 92 is welded to the first welding part 313 so as to realize the electrical connection between the first conductive member 31 and the electrical connection member 9.
  • the first circuit board 6 includes two terminals 61 that are respectively bent and extended to the first and second side plates 211/212, and the third welding part 91 is welded to the terminal 61.
  • the electrical connector 9 is preferably fixed to the outer surface of the first and second side plates 211/212 by a bonding method, so as to avoid contact with the driving assembly 5 provided between the lens holder 2 and the base 1 to prevent occurrence of Short circuit.
  • the terminal 61 of the first circuit board 6 is bent and extended to the first and second side plates 211/212, which not only makes the third soldering part 91 easily soldered to the terminal 61, but also the size of the third soldering part 91 It will be greatly restricted, so the electrical connection 9 is easier to process.
  • the first and second side plates 211/212 of the lens mount are provided with a first protrusion 215 on the outer side away from the optical axis, and the electrical connector 9 is provided with a first protrusion
  • the through hole 93 is engaged with 215, so that the electrical connector 9 can be further stably fixed to the first and second side plates 211/212.
  • the third side plate 213 is provided at one end away from the optical axis and away from the substrate 11.
  • the fourth side plate 214 is provided with a third protrusion 217 on the outer side away from the optical axis.
  • the first, second and third protrusions 215/216/217 are used to limit the lens mount 2 along the vertical direction.
  • first protrusions 215 are respectively provided on the first and second side plates 211/212 to better fix the electrical connector 9; the first, second and third protrusions 215/ 216/217 are separated from the corresponding frame 12 with a distance of 0.2mm.
  • the lens mount 2 is moved in the direction perpendicular to the optical axis of the lens. To limit the effect, to avoid the large shaking of the lens mount 2 and affect the imaging quality.
  • the lens module 100 further includes a housing 8 sleeved on the base 1.
  • the housing 8 includes a top wall 81 and a side wall 82.
  • the side wall 82 is fixed to the substrate 11, and the end of the frame 12 away from the substrate 11 and the top
  • the wall 81 is connected, and the frame body 12 supports the housing 8; the end of the first and second side plates 211/212 away from the base plate 11 is also provided with a fourth protrusion 218 for limiting the edge of the lens mount 2.
  • the direction of the optical axis of the lens moves away from the substrate 11. Avoid excessive upward movement of the lens mount 2.

Abstract

一种镜头模组，包括基座(1)、镜头座(2)和用于支撑镜头座(2)的支撑组件(4)，镜头座(2)通过支撑组件(4)悬挂于基座(1)内；镜头座(2)包括用于固定连接支撑组件(4)的连接部(23)和设于连接部(23)上的导电件(3)，连接部(23)设有凹槽(231)，导电件(3)正对凹槽(231)处设有连接口(312,321)，支撑组件(4)包括至少两个支撑件(41)，每一支撑件(41)的其中一端相对基座(1)固定，每一支撑件(41)的另一端通过凹槽(231)焊接到导电件(3)的连接口(312,321)，连接口(312,321)为四周封闭的通孔(93)。通过将连接口(312,321)设为四周封闭的通孔(93)，可以确保支撑件(41)穿过连接口(312,321)的一端四周都能打上锡膏，支撑件(41)可稳固的焊接到导电件(3)上，因此可以保证支撑件(41)和导电件(3)之间的电信号传输，进一步保证防抖装置和自动对焦装置之间的电信号传输。

Description

镜头模组 技术领域
本实用新型涉及镜头光学成像技术领域，尤其涉及一种镜头模组。
 背景技术
近年来，在如智能手机、平板电脑一样的便携式终端机上都装载有高性能镜头模组。该高性能镜头模组一般具有自动对焦功能(Auto Focusing，AF)和光学防抖（Optical Image Stabilization,OIS）功能。高性能镜头模组在自动对焦时，需要使镜头沿镜头的光轴方向移动，在实现光学防抖功能时，需要使镜头沿垂直镜头的光轴方向移动。现有技术中，AF组件（包括镜头、镜头座等）通过多根悬丝悬挂在镜头模组内，悬丝不仅对AF组件起到支撑作用，还具有导电作用，可以将电信号从OIS组件传送到AF组件，每根悬丝的一端连接到设于AF组件上的一个导电件，但是，现有导电件由于设计上的缺陷，导致悬丝焊接到导电件时不能在四周全部打上锡膏，影响悬丝焊接到导电件上的稳定性，进而影响悬丝和导电件之间的电信号传输，影响OIS组件和AF组件之间的电信号传输。
因此，有必要提供一种改进的镜头模组以解决上述问题。
 技术问题
本实用新型的目的在于提供一种镜头模组，其旨在解决防抖装置和自动对焦装置之间电信号传输性能差的技术问题。
 技术解决方案
本实用新型的技术方案如下：一种镜头模组，包括基座、镜头座和用于支撑所述镜头座的支撑组件，所述镜头座通过所述支撑组件悬挂于所述基座内；所述镜头座包括用于固定连接所述支撑组件的连接部和设于所述连接部上的导电件，所述连接部设有凹槽，所述导电件正对所述凹槽处设有连接口，所述支撑组件包括至少两个支撑件，每一所述支撑件的其中一端相对所述基座固定，每一所述支撑件的另一端通过所述凹槽焊接到所述导电件的所述连接口，所述连接口为四周封闭的通孔。
作为一种改进，所述镜头座还包括底座、安装在所述底座的带镜头的镜头支架和用于驱动所述镜头支架沿所述镜头的光轴方向运动的形状记忆合金线，所述底座设有绑线夹子；所述形状记忆合金线包括连接到所述绑线夹子的末端和连接到所述镜头支架的驱动端；所述导电件包括与所述绑线夹子相邻设置的第一导电件，所述第一导电件与所述绑线夹子相对且两者之间设有间距。
作为一种改进，所述第一导电件与所述绑线夹子相对的侧边设有缺口，所述第一导电件设有缺口的侧边与所述绑线夹子之间的间距范围为0.05mm-0.15mm。
作为一种改进，所述底座为方形，包括四个沿周向设置的侧板和四个位于相邻侧板之间的角部，所述连接部为四个，分别设于所述底座的角部且沿远离所述底座的一中心线方向延伸，所述支撑件设有四个，每个支撑件固定连接到一个所述连接部；其中一侧板上安装有第一电路板；所述形状记忆合金线包括两个所述末端，所述驱动端设于两个所述末端之间，一个所述末端连接一个所述绑线夹子，两个所述绑线夹子分别固定在与所述其中一侧板相对的另一侧板上。
作为一种改进，所述导电件包括两个关于所述底座的另一中心线对称设置的所述第一导电件和两个关于所述底座的所述另一中心线对称设置的第二导电件，两个所述第一导电件分别设在与两个所述绑线夹子对应的所述连接部的上端，两个所述第二导电件分别设在另外两个所述连接部的上端。
作为一种改进，所述第一导电件还包括弯折设于所述连接口相对一侧的第一焊接部，所述第二导电件还包括焊接到所述第一电路板的第二焊接部。
作为一种改进，底座的四个沿周向设置的侧板设有第一侧板、第二侧板、第三侧板和第四侧板，其中安装有所述第一电路板的侧板为第三侧板，第四侧板与第三侧板相对，第一侧板和第二侧板相对并分别连接在第三和第四侧板之间；所述镜头模组还包括两个对称设置的电连接件，两个所述电连接件分别贴合连接到所述第一和第二侧板，所述电连接件包括焊接到所述第一电路板的第三焊接部和弯折到所述第四侧板并与所述第一焊接部焊接的第四焊接部；所述第一电路板包括两个分别弯折延伸到所述第一和第二侧板的端子，所述第三焊接部焊接到所述端子。
作为一种改进，所述基座包括基板和固定在所述基板上的框体，所述基板和所述框体共同形成用于收容所述镜头座的收容空间；所述第一和第二侧板之远离光轴的外侧设有第一凸起，所述电连接件设有与所述第一凸起相对应的通孔，所述电连接件通过所述通孔与所述第一凸起相卡扣并贴合在所述第一和第二侧板上。
作为一种改进，所述第三侧板之远离光轴的外侧且远离所述基板的一端设有第二凸起，所述第四侧板之远离所述光轴的外侧设有第三凸起，所述第一、第二和第三凸共同限位所述镜头座沿垂直于所述镜头的光轴方向的移动。
作为一种改进，所述镜头模组还包括套设于所述基座上的外壳，所述外壳包括顶壁和侧壁，所述侧壁固定到所述基板上，所述框体远离所述基板的一端与所述顶壁相连接；所述第一和第二侧板之远离所述基板的一端还设有第四凸起，用于限位所述镜头座沿所述镜头的光轴方向远离所述基板的移动。
 有益效果
本发明的有益效果在于：通过将导电件上的连接口设为四周封闭的通孔，可以确保支撑件穿过连接口的一端四周都能打上锡膏，支撑件可稳固的焊接到导电件上，因此可以保证支撑件和导电件之间的电信号传输，进一步保证防抖装置和自动对焦装置之间的电信号传输。
 附图说明
图1为本实用新型实施例提供的镜头模组的立体结构示意图；
图2为本实用新型实施例提供的镜头模组的爆炸结构示意图；
图3为本实用新型实施例提供的镜头模组去掉外壳的立体结构示意图；
图4为本实用新型实施例提供的底座和电连接件相配合的一个角度的立体结构示意图；
图5为本实用新型实施例提供的第一导电件的立体结构示意图；
图6为本实用新型实施例提供的第二导电件的立体结构示意图；
图7为图3中圈A处的局部放大示意图
图8为本实用新型实施例提供的底座的立体结构示意图；
图9为本实用新型实施例提供的电连接件的立体结构示意图；
图10为本实用新型实施例提供的底座和电连接件相配合的另一角度的立体结构示意图；
图11为本实用新型实施例提供的外壳的立体结构示意图。
附图标号说明：100、镜头模组；1、基座；11、基板；12、框体；2、镜头座；21、底座；211、第一侧板；212、第二侧板；213、第三侧板；214、第四侧板；215、第一凸起；216、第二凸起；217、第三凸起；218、第四凸起；22、镜头支架；23、连接部；231、凹槽；24、形状记忆合金线；241、末端；242、驱动端；25、绑线夹子；3、导电件；31、第一导电件；311、缺口；312/321、连接口；313、第一焊接部；32、第二导电件；322、第二焊接部；4、支撑组件；41、支撑件；5、驱动组件；6、第一电路板；61、端子；7、第二电路板；8、外壳；81、顶壁；82、侧壁；9、电连接件；91、第三焊接部；92、第四焊接部；93、通孔。
 本发明的实施方式
下面结合附图和实施方式对本实用新型作进一步说明。
请参阅图1-11，本实用新型实施例提供一种镜头模组100，包括基座1、镜头座2和用于支撑镜头座2的支撑组件4，支撑组件4包括多个支撑件41，镜头座2通过支撑组件4悬挂于基座1内。镜头模组100还包括用于驱动镜头座2沿垂直于镜头的光轴方向移动的驱动组件5，驱动组件5设于镜头座2和基座1之间。基座1包括基板11和固定在基板11上的框体12，基板11和框体12共同形成用于收容镜头座2的收容空间。
请参阅图2和图4-6，镜头座2包括用于固定连接支撑组件4的连接部23和设于连接部23上的导电件3，连接部23设有凹槽231，导电件3正对凹槽231处设有连接口312/321，支撑组件4包括至少两个支撑件41，每一支撑件41的其中一端相对基座1固定，每一支撑件41的另一端通过凹槽231焊接到导电件3的连接口312/321，连接口312/321为四周封闭的通孔。支撑件41采用高强度的导电金属材质，具有良好的支撑强度以及导电性，可将电信号从防抖装置传送到自动对焦装置，通过将导电件3上的连接口312/321设为四周封闭的通孔，可以确保支撑件41穿过连接口312/321的一端四周都能打上锡膏，支撑件41可稳固的焊接到导电件3上，因此可以保证支撑件41和导电件3之间的电信号传输，进一步保证防抖装置和自动对焦装置之间的电信号传输。
镜头座2还包括底座21、安装在底座21的带镜头（图中未示出）的镜头支架22和用于驱动镜头支架22沿镜头的光轴方向运动的形状记忆合金线24，底座21上设有绑线夹子25；形状记忆合金线24包括连接到绑线夹子25的末端241和连接到镜头支架22的驱动端242（见图4）；导电件3包括与绑线夹子25相邻设置的第一导电件31，第一导电件31与绑线夹子25相对且两者之间设有间距L。通过在第一导电件31和绑线夹子25之间设置间距L，可确保第一导电件31与绑线夹子25之间不会接触，特别是镜头模组100发生晃动时，两者之间依然会保持一定的距离，因此，可以防止发生短路，避免损坏设备。
请参阅图7，第一导电件31与绑线夹子25相对的侧边设有缺口311，第一导电件31设有缺口311的侧边与绑线夹子25的之间的间距L范围为0.05mm-0.15mm。在本实施例中，间距L设为0.1mm。通过在第一导电件31和绑线夹子25之间设置间距L，可以确保镜头模组100发生晃动时，两者不会相互接触。
请参阅图2-4与图8，底座21为方形，包括四个沿周向设置的侧板和四个位于相邻侧板之间的角部，连接部23为四个，分别设于底座21的角部且沿远离底座21的一中心线方向延伸，支撑件41设有四个，每个支撑件41固定连接到一个连接部23；其中一侧板安装有第一电路板6（见图10），第一电路板6用于为镜头座2供电。形状记忆合金线24包括两个末端241，驱动端242设于两个末端241之间，一个末端241连接一个绑线夹子25，两个绑线夹子25分别固定在与所述其中一侧板相对的另一侧板上。
导电件3包括两个关于底座21的一中心线对称设置的第一导电件31和两个关于底座21的另一中心线对称设置的第二导电件32，两个第一导电件31分别设在与两个绑线夹子25对应的连接部23的上端，所述第一导电件31还包括弯折设于所述连接口312相对一侧的第一焊接部313，且两者的第一焊接部313相对设置，两个第二导电件32分别设在另外两个连接部23的上端，第二导电件32还包括焊接到所述第一电路板6的第二焊接部322。
具体地，定义所述底座21的四个沿周向设置的侧板分别为第一至第四侧板211/212/213/214，其中安装有所述第一电路板6的侧板为第三侧板213，第四侧板214与第三侧板213相对，第一侧板211和第二侧板212相对并分别连接在第三和第四侧板213/214之间。两个第一导电件31分别安装在第一和第二侧板211/212与第四侧板214形成的角部处的连接部23上，两个第二导电件32分别安装在第一和第二侧板211/212与第三侧板213形成的角部处的连接部23上。
镜头模组100还包括为驱动组件5和支撑组件4供电的第二电路板7（见图2），第二电路板7固定在基座1上并位于镜头座2和基座1之间。镜头模组100包括四个支撑件41，其中两个支撑件41的一端通过连接口312电连接到第一导电件31，另外两个支撑件41的一端通过连接口321电连接到第二导电件32，四个支撑件41的另一端均固定连接到第二电路板7，并与其电连接，四个支撑件41不仅可以稳固地支撑镜头座2，还可以将电流从防抖模块传送到自动调焦模块。
请参阅图4和图9-10，镜头模组100还包括两个对称设置的电连接件9，两个电连接件9分别贴合连接到第一和第二侧板211/212，电连接件9包括焊接到第一电路板6的第三焊接部91和弯折到第四侧板214并与第一导电件31焊接的第四焊接部92。第四焊接部92与第一焊接部313焊接，从而实现第一导电件31和电连接件9的电连接。第一电路板6包括两个分别弯折延伸到第一和第二侧板211/212的端子61，第三焊接部91焊接到端子61。电连接件9优选地通过贴合的方式固定到第一和第二侧板211/212的外表面，从而可避免与设于镜头座2和基座1之间的驱动组件5接触，防止发生短路。另外，第一电路板6的端子61弯折延伸到第一和第二侧板211/212，不仅使第三焊接部91很容易的焊接到端子61上，而且第三焊接部91的大小不会受到极大的限制，因此，电连接件9加工更容易。
请参阅图3-4、图8和图10，镜头座的第一和第二侧板211/212之远离光轴的外侧设有第一凸起215，电连接件9设有与第一凸起215卡合的通孔93，从而可进一步稳定的将电连接件9固定至第一和第二侧板211/212，第三侧板213之远离光轴的外侧且远离基板11的一端设有第二凸起216，第四侧板214之远离光轴的外侧设有第三凸起217，第一、第二和第三凸起215/216/217用于限位镜头座2沿垂直于镜头的光轴方向的移动。在本实施例中，第一和第二侧板211/212上分别设置了两个第一凸起215，以便更好的固定电连接件9；第一、第二和第三凸起215/216/217分别与相对应的框体12之间有0.2mm的间距，通过在底座21的四个侧板上都设置凸起，对镜头座2在沿垂直于镜头的光轴方向位移时起到限位作用，避免镜头座2晃动幅度大，影响成像质量。
优选地，镜头模组100还包括套设于基座1上的外壳8，外壳8包括顶壁81和侧壁82，侧壁82固定到基板11上，框体12远离基板11的一端与顶壁81相连接，框体12对外壳8起到支撑的作用；第一和第二侧板211/212之远离基板11的一端还设有第四凸起218，用于限位镜头座2沿镜头的光轴方向远离基板11的移动。避免镜头座2向上移动幅度过大。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种镜头模组，其特征在于：包括基座、镜头座和用于支撑所述镜头座的支撑组件，所述镜头座通过所述支撑组件悬挂于所述基座内；所述镜头座包括用于固定连接所述支撑组件的连接部和设于所述连接部上的导电件，所述连接部设有凹槽，所述导电件正对所述凹槽处设有连接口，所述支撑组件包括至少两个支撑件，每一所述支撑件的其中一端相对所述基座固定，每一所述支撑件的另一端通过所述凹槽焊接到所述导电件的所述连接口，所述连接口为四周封闭的通孔。
  2. 根据权利要求1所述的镜头模组，其特征在于：所述镜头座还包括底座、安装在所述底座的带镜头的镜头支架和用于驱动所述镜头支架沿所述镜头的光轴方向运动的形状记忆合金线，所述底座设有绑线夹子；所述形状记忆合金线包括连接到所述绑线夹子的末端和连接到所述镜头支架的驱动端；所述导电件包括与所述绑线夹子相邻设置的第一导电件，所述第一导电件与所述绑线夹子相对且两者之间设有间距。
  3. 根据权利要求2所述的镜头模组，其特征在于：所述第一导电件与所述绑线夹子相对的侧边设有缺口，所述第一导电件设有缺口的侧边与所述绑线夹子之间的间距范围为0.05mm-0.15mm。
  4. 根据权利要求2所述的镜头模组，其特征在于：所述底座为方形，包括四个沿周向设置的侧板和四个位于相邻侧板之间的角部，所述连接部为四个，分别设于所述底座的角部且沿远离所述底座的一中心线方向延伸，所述支撑件设有四个，每个支撑件固定连接到一个所述连接部；其中一侧板上安装有第一电路板；所述形状记忆合金线包括两个所述末端，所述驱动端设于两个所述末端之间，一个所述末端连接一个所述绑线夹子，两个所述绑线夹子分别固定在与所述其中一侧板相对的另一侧板上。
  5. 根据权利要求4所述的镜头模组，其特征在于：所述导电件包括两个关于所述底座的另一中心线对称设置的所述第一导电件和两个关于所述底座的所述另一中心线对称设置的第二导电件，两个所述第一导电件分别设在与两个所述绑线夹子对应的所述连接部的上端，两个所述第二导电件分别设在另外两个所述连接部的上端。
  6. 根据权利要求5所述的镜头模组，其特征在于：所述第一导电件还包括弯折设于所述连接口相对一侧的第一焊接部，所述第二导电件还包括焊接到所述第一电路板的第二焊接部。
  7. 根据权利要求6所述的镜头模组，其特征在于：底座的四个沿周向设置的侧板设有第一侧板、第二侧板、第三侧板和第四侧板，其中安装有所述第一电路板的侧板为第三侧板，第四侧板与第三侧板相对，第一侧板和第二侧板相对并分别连接在第三和第四侧板之间；所述镜头模组还包括两个对称设置的电连接件，两个所述电连接件分别贴合连接到所述第一和第二侧板，所述电连接件包括焊接到所述第一电路板的第三焊接部和弯折到所述第四侧板并与所述第一焊接部焊接的第四焊接部；所述第一电路板包括两个分别弯折延伸到所述第一和第二侧板的端子，所述第三焊接部焊接到所述端子。
  8. 根据权利要求7所述的镜头模组，其特征在于：所述基座包括基板和固定在所述基板上的框体，所述基板和所述框体共同形成用于收容所述镜头座的收容空间；所述第一和第二侧板之远离光轴的外侧设有第一凸起，所述电连接件设有与所述第一凸起相对应的通孔，所述电连接件通过所述通孔与所述第一凸起相卡扣并贴合在所述第一和第二侧板上。
  9. 根据权利要求8所述的镜头模组，其特征在于：所述第三侧板之远离光轴的外侧且远离所述基板的一端设有第二凸起，所述第四侧板之远离所述光轴的外侧设有第三凸起，所述第一、第二和第三凸共同限位所述镜头座沿垂直于所述镜头的光轴方向的移动。
  10. 根据权利要求9所述的镜头模组，其特征在于：所述镜头模组还包括套设于所述基座上的外壳，所述外壳包括顶壁和侧壁，所述侧壁固定到所述基板上，所述框体远离所述基板的一端与所述顶壁相连接；所述第一和第二侧板之远离所述基板的一端还设有第四凸起，用于限位所述镜头座沿所述镜头的光轴方向远离所述基板的移动。
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CN109061829A (zh) * 2018-09-13 2018-12-21 昆山联滔电子有限公司 镜头驱动装置和摄像模组

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US11402598B2 (en) 2022-08-02

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