WO2022000550A1 - 光学装置 - Google Patents

光学装置 Download PDF

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Publication number
WO2022000550A1
WO2022000550A1 PCT/CN2020/101498 CN2020101498W WO2022000550A1 WO 2022000550 A1 WO2022000550 A1 WO 2022000550A1 CN 2020101498 W CN2020101498 W CN 2020101498W WO 2022000550 A1 WO2022000550 A1 WO 2022000550A1
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WO
WIPO (PCT)
Prior art keywords
lens module
optical device
fixing base
universal joint
driving
Prior art date
Application number
PCT/CN2020/101498
Other languages
English (en)
French (fr)
Inventor
史卫领
郭顺
王洪兴
Original Assignee
诚瑞光学(常州)股份有限公司
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.)
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Application filed by 诚瑞光学(常州)股份有限公司 filed Critical 诚瑞光学(常州)股份有限公司
Publication of WO2022000550A1 publication Critical patent/WO2022000550A1/zh

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Classifications

    • 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
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • 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
    • 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
    • G03B5/06—Swinging lens about normal to the optical axis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control 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
    • H04N23/60—Control of cameras or camera modules

Definitions

  • the utility model relates to the technical field of optical anti-shake, in particular to an optical device.
  • the lens module of the existing optical device is generally connected to the fixed housing through a hemispherical structure.
  • One end of the hemispherical structure is a hemispherical protrusion, and the other end is a corresponding groove.
  • the utility model provides an optical device.
  • the lens module can swing around the axis direction when swinging, avoiding the problem that the axis is not fixed when swinging, thereby achieving optical anti-shake. the goal of.
  • the optical device provided by the utility model comprises a casing with an accommodation space, a lens module accommodated in the accommodation space, a spring device and a driving device; the spring device is respectively connected with the lens module and the casing, The spring device is used for supporting the lens module; a driving device for pushing the lens module to swing is arranged between the lens module and the housing; the optical device further comprises a first fixing seat, A second fixing base corresponding to the first fixing base and a universal connection structure, the first fixing base is connected to the lens module, the second fixing base is connected to the housing, and the universal connection The structure connects the first fixing seat and the second fixing seat and is used to realize the swing of the lens module.
  • the universal joint structure comprises a universal joint, a first universal joint shaft and a second universal joint shaft, and the universal joint comprises an upper ring and a lower ring connected with the upper ring and freely rotating,
  • the first universal joint shaft passes through the upper ring and swings freely, and the second universal joint shaft passes through the lower ring and swings freely.
  • the lens module swings along the axial direction of the first universal joint shaft and the axial direction of the second universal joint shaft.
  • the casing includes a side wall, a casing cover plate and a casing bottom surface connected with the side wall to form the receiving space.
  • the second fixing seat is fixedly arranged on the bottom surface of the casing.
  • the second fixing base comprises a fixing member fixedly connected to the universal connection structure and a rotating shaft, the rotating shaft is connected with the fixing member and moves freely; the bottom surface of the casing has an opening, and the rotating shaft A shaft extends into the opening.
  • the lens module swings along the axis direction of the rotating shaft.
  • one end of the spring device is fixed to the side wall, and the other end is fixed to the lens module.
  • the spring device expands and contracts with the swing of the lens module.
  • the driving device includes a first driving module and a second driving module, the first driving module is fixedly arranged on the side wall, the second driving module is fixedly arranged on the lens module, and the first driving module is fixedly arranged on the lens module.
  • a driving module interacts with the second driving module to generate a driving force to push the lens module to swing.
  • the optical device provided by the utility model replaces the traditional hemispherical structure with a universal connection structure, so that the lens module can swing around the axis direction when swinging, avoiding the problem that the axis is not fixed when swinging. , and then achieve the purpose of optical image stabilization.
  • FIG. 1 is a schematic structural diagram of an optical device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of the separation of the housing of the optical device in FIG. 1;
  • FIG. 3 is a schematic cross-sectional view of the optical device along A-A in FIG. 1 according to Embodiment 1 of the present invention
  • FIG. 4 is an enlarged schematic view of part B in FIG. 2 according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a universal connection structure provided in Embodiment 1 of the present invention.
  • FIG. 6 is a schematic cross-sectional view of the optical device along A-A in FIG. 1 according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram of the universal connection structure and the second fixing member according to the second embodiment of the present invention.
  • the present invention provides an optical device 100 .
  • the optical device 100 includes a housing 10 having an accommodation space 1 and a lens accommodated in the accommodation space 1 .
  • the casing 10 includes a side wall 11 , a casing cover 12 and a casing bottom surface 13 connected with the side wall 11 to form the receiving space 1 .
  • the spring device 30 is connected to the lens module 20 and the housing 10 respectively. In one embodiment, one end of the spring device 30 is fixed to the side wall 11 and the other end is fixed to the lens.
  • the lens module A driving device 40 for pushing the lens module 20 to rotate is arranged between 20 and the housing 10; specifically, the driving device 40 is arranged between the side wall 11 and the lens module 20, Four driving devices 40 are arranged around the lens module 20, and the driving devices 40 are used to provide the driving force for the lens module 20 to swing; specifically, the driving device 40 includes a first driving module 41 and a The second driving module 42, the first driving module 41 is fixedly arranged on the side wall 11, the second driving module 42 is fixedly arranged on the lens module 20, the first driving module 41 and the The interaction of the two driving modules 42 generates a driving force to push the lens module 20 to swing.
  • the optical device 100 further includes a first fixing base 51 , a second fixing base 52 and a universal connection structure 60 , the first fixing base 51 is connected to the lens module 20 , and the second fixing base 52 is connected to the In the housing 10 , the universal connection structure 60 connects the first fixing base 51 and the second fixing base 52 and is used to realize the swinging of the lens module 20 .
  • the optical device further includes a PCB board 70 , the housing 10 is provided with a through hole 18 penetrating the side wall 11 , one end of the PCB board 70 is connected to the camera 20 , and the other end of the PCB board 70 passes through the through hole 18 and extends to the housing 10 . outside.
  • the universal joint structure 60 includes a universal joint 600 , a first universal joint shaft 611 and a second universal joint shaft 612 , and the universal joint 600 includes an upper ring 601 and a connection with the upper ring
  • the lower ring 602 is connected and freely rotatable by 601.
  • the upper ring 601 and the lower ring 601 are in the shape of a circular ring, with a hole in the middle that can pass through; the first universal joint shaft 611 passes through the upper ring 601.
  • the ring 601 swings freely, and the second universal joint shaft 612 passes through the lower ring 602 and swings freely.
  • the lens module 20 swings along the axial direction of the first universal joint shaft 611 and the axial direction of the second universal joint shaft 612 .
  • the second fixing seat 52 is fixedly arranged on the bottom surface 13 of the casing.
  • the driving device 40 provides a driving force to the lens module 20 , and the lens module 20 is acted by the driving force, and the lens module 20 surrounds the axis of the first universal joint shaft 611
  • the direction and the axis direction of the second universal joint shaft 612 swing, so as to achieve the purpose of anti-shake.
  • the second fixing base 52 includes a fixing member 521 and a rotating shaft 522 that are fixedly connected to the universal connection structure 600 , and the rotating shaft 522 .
  • 522 is connected to the fixing member 521 and moves freely; the bottom surface 13 of the casing has an opening 131 , and the rotating shaft 522 extends into the opening 131 .
  • the lens module 20 swings along the axial direction of the first universal joint shaft 611 , the axial direction of the second universal joint shaft 612 and the axial direction of the rotating shaft 522 .
  • the driving device 40 provides a driving force to the lens module 20 , and the lens module 20 is acted by the driving force, and the lens module 20 surrounds the axis of the first universal joint shaft 611 direction, the axis direction of the second universal joint shaft 612 and the axis direction of the rotating shaft 522 swing, so as to achieve the purpose of anti-shake.
  • the optical device provided by the utility model replaces the traditional hemispherical structure with a universal connection structure, so that the lens module can swing around the axis direction when swinging, avoiding the problem that the axis is not fixed when swinging. , and then achieve the purpose of optical image stabilization.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Adjustment Of Camera Lenses (AREA)

Abstract

本实用新型提供一种光学装置。所述光学装置包括具有收容空间的壳体和收容于所述收容空间的镜头模组、弹簧装置以及驱动装置；所述弹簧装置分别与所述镜头模组和所述壳体连接，所述弹簧装置用于支撑所述镜头模组；所述光学装置还包括第一固定座、第二固定座和万向连接结构，所述第一固定座连接所述镜头模组，所述第二固定座连接所述壳体，所述万向连接结构连接所述第一固定座与第二固定座并用以实现所述镜头模组的摆动。本实用新型提供的光学装置，使镜头模组在摆动时围绕轴线方向进行摆动，避免了摆动时轴线不固定的问题，进而达到光学防抖的目的。

Description

光学装置
【技术领域】
本实用新型涉及光学防抖技术领域，尤其涉及一种光学装置。
【背景技术】
现有光学装置的镜头模组一般通过半球形结构与固定壳体连接，半球形结构的一端为半球形凸起，另一端为对应设置的凹槽，当镜头模组在摆动时，没有固定的轴线，位置控制比较困难，稳定性较差。
【实用新型内容】
本实用新型提供一种光学装置，通过使用万向连接结构取代传统的半球形结构，使镜头模组在摆动时围绕轴线方向进行摆动，避免了摆动时轴线不固定的问题，进而达到光学防抖的目的。
本实用新型提供的光学装置包括具有收容空间的壳体和收容于所述收容空间的镜头模组、弹簧装置以及驱动装置；所述弹簧装置分别与所述镜头模组和所述壳体连接，所述弹簧装置用于支撑所述镜头模组；所述镜头模组与所述壳体之间设置用于推动所述镜头模组摆动的驱动装置；所述光学装置还包括第一固定座、与所述第一固定座相应设置的第二固定座和万向连接结构，所述第一固定座连接所述镜头模组，所述第二固定座连接所述壳体，所述万向连接结构连接所述第一固定座与第二固定座并用以实现所述镜头模组的摆动。
优选地，所述万向连接结构包括万向结、第一万向结轴和第二万向结轴，所述万向结包括上环和与所述上环连接并自由旋转的下环，所述第一万向结轴穿过所述上环并自由摆动，所述第二万向结轴穿过所述下环并自由摆动。
优选地，所述镜头模组沿所述第一万向结轴的轴线方向和所述第二万向结轴的轴线方向摆动。
优选地，所述壳体包括侧壁和与所述侧壁连接构成所述收容空间的壳体盖板和壳体底面。
优选地，所述第二固定座固定设置于所述壳体底面上。
优选地，所述第二固定座包括固定连接所述万向连接结构的固定件和转动轴，所述转动轴连接所述固定件并自由移动；所述壳体底面具有开孔，所述转动轴伸入所述开孔。
优选地，所述镜头模组沿所述转动轴的轴线方向摆动。
优选地，所述弹簧装置的一端固定于所述侧壁，另一端固定于所述镜头模组，当所述镜头模组摆动时所述弹簧装置随着所述镜头模组的摆动伸缩。
优选地，所述驱动装置包括第一驱动模块和第二驱动模块，所述第一驱动模块固定设置于所述侧壁，所述第二驱动模块固定设置于所述镜头模组，所述第一驱动模块与所述第二驱动模块相互作用产生驱动力推动所述镜头模组的摆动。
与现有技术相比，本实用新型提供的光学装置，通过使用万向连接结构取代传统的半球形结构，使镜头模组在摆动时围绕轴线方向进行摆动，避免了摆动时轴线不固定的问题，进而达到光学防抖的目的。
【附图说明】
为了更清楚地说明本实用新型实施例中的技术方案，下面将对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实用新型的一些实施例，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它的附图，其中：
图1为本实用新型一实施例提供的光学装置的结构示意图；
图2为图1中的光学装置的壳体分离的结构示意图；
图3为本实用新型实施例一提供的图1中沿A-A的光学装置的剖面示意图；
图4为本实用新型实施例一提供的图2中的部位B的放大示意图；
图5为本实用新型实施例一提供的万向连接结构的结构示意图；
图6为本实用新型实施例二提供的图1中沿A-A的光学装置的剖面示意图；
图7为本实用新型实施例二提供的万向连接结构和第二固定件的结构示意图。
【具体实施方式】 
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请一并参阅图1、图2、图3和图4，本实用新型提供一种光学装置100，所述光学装置100包括具有收容空间1的壳体10和收容于所述收容空间1的镜头模组20、弹簧装置30以及驱动装置40；所述壳体10包括侧壁11和与所述侧壁11连接构成所述收容空间1的壳体盖板12和壳体底面13。所述弹簧装置30分别与所述镜头模组20和所述壳体10连接，具体在一实施例中，所述弹簧装置30的一端固定于所述侧壁11，另一端固定于所述镜头模组20，当所述镜头模组20摆动时所述弹簧装置30随着所述镜头模组20的摆动伸缩，所述弹簧装置30用于支撑所述镜头模组20；所述镜头模组20与所述壳体10之间设置用于推动所述镜头模组20转动的驱动装置40；具体地，所述驱动装置40设置于所述侧壁11与镜头模组20之间，在所述镜头模组20的四周共设置有四个驱动装置40，所述驱动装置40用以提供所述镜头模组20摆动的驱动力；具体地，所述驱动装置40包括第一驱动模块41和第二驱动模块42，所述第一驱动模块41固定设置于所述侧壁11，所述第二驱动模块42固定设置于所述镜头模组20，所述第一驱动模块41与所述第二驱动模块42相互作用产生驱动力推动所述镜头模组20的摆动。所述光学装置100还包括第一固定座51、第二固定座52和万向连接结构60，所述第一固定座51连接所述镜头模组20，所述第二固定座52连接所述壳体10，所述万向连接结构60连接所述第一固定座51与第二固定座52并用以实现所述镜头模组20的摆动。
所述光学装置还包括PCB板70，壳体10上设有贯穿侧壁11的穿孔18，PCB板70的一端与摄像头20连接，PCB板70的另一端穿过穿孔18后延伸至壳体10外。
请参阅图5，所述万向连接结构60包括万向结600、第一万向结轴611和第二万向结轴612，所述万向结600包括上环601和与所述上环601连接并自由旋转的下环602，所述上环601和所述下环601呈圆环形状，中间留有可穿过的圆孔；所述第一万向结轴611穿过所述上环601并自由摆动，所述第二万向结轴612穿过所述下环602并自由摆动。所述镜头模组20沿所述第一万向结轴611的轴线方向和所述第二万向结轴612的轴线方向摆动。
请再次参阅图3和图4，具体在本实用新型提供的实施例一中，所述第二固定座52固定设置于所述壳体底面13上。当壳体移动或抖动时，所述驱动装置40给所述镜头模组20提供驱动力，所述镜头模组20受到该驱动力作用，镜头模组20围绕第一万向结轴611的轴线方向和所述第二万向结轴612的轴线方向摆动，从而达到防抖的目的。
请参考图6和图7，具体在本实用新型提供的实施例二中，所述第二固定座52包括固定连接所述万向连接结构600的固定件521和转动轴522，所述转动轴522连接所述固定件521并自由移动；所述壳体底面13具有开孔131，所述转动轴522伸入所述开孔131。所述镜头模组20沿所述第一万向结轴611的轴线方向、所述第二万向结轴612的轴线方向以及所述转动轴522的轴线方向摆动。当壳体移动或抖动时，所述驱动装置40给所述镜头模组20提供驱动力，所述镜头模组20受到该驱动力作用，镜头模组20围绕第一万向结轴611的轴线方向、所述第二万向结轴612的轴线方向以及所述转动轴522的轴线方向摆动，从而达到防抖的目的。
与现有技术相比，本实用新型提供的光学装置，通过使用万向连接结构取代传统的半球形结构，使镜头模组在摆动时围绕轴线方向进行摆动，避免了摆动时轴线不固定的问题，进而达到光学防抖的目的。
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 (9)

  1. 一种光学装置，其特征在于，所述光学装置包括具有收容空间的壳体和收容于所述收容空间的镜头模组、弹簧装置以及驱动装置；所述弹簧装置分别与所述镜头模组和所述壳体连接，所述弹簧装置用于支撑所述镜头模组；所述镜头模组与所述壳体之间设置用于推动所述镜头模组摆动的驱动装置；所述光学装置还包括第一固定座、与所述第一固定座相应设置的第二固定座和万向连接结构，所述第一固定座连接所述镜头模组，所述第二固定座连接所述壳体，所述万向连接结构连接所述第一固定座与第二固定座并用以实现所述镜头模组的摆动。
  2. 根据权利要求1所述的光学装置，其特征在于，所述万向连接结构包括万向结、第一万向结轴和第二万向结轴，所述万向结包括上环和与所述上环连接并自由旋转的下环，所述第一万向结轴穿过所述上环并自由摆动，所述第二万向结轴穿过所述下环并自由摆动。
  3. 根据权利要求2所述的光学装置，其特征在于，所述镜头模组沿所述第一万向结轴的轴线方向和所述第二万向结轴的轴线方向摆动。
  4. 根据权利要求1所述的光学装置，其特征在于，所述壳体包括侧壁和与所述侧壁连接构成所述收容空间的壳体盖板和壳体底面。
  5. 根据权利要求4所述的光学装置，其特征在于，所述第二固定座固定设置于所述壳体底面上。
  6. 根据权利要求5所述的光学装置，其特征在于，所述第二固定座包括固定连接所述万向连接结构的固定件和转动轴，所述转动轴连接所述固定件并自由移动；所述壳体底面具有开孔，所述转动轴伸入所述开孔。
  7. 根据权利要求6所述的光学装置，其特征在于，所述镜头模组沿所述转动轴的轴线方向摆动。
  8. 根据权利要求4所述的光学装置，其特征在于，所述弹簧装置的一端固定于所述侧壁，另一端固定于所述镜头模组，当所述镜头模组摆动时所述弹簧装置随着所述镜头模组的摆动伸缩。
  9. 根据权利要求4所述的光学装置，其特征在于，所述驱动装置包括第一驱动模块和第二驱动模块，所述第一驱动模块固定设置于所述侧壁，所述第二驱动模块固定设置于所述镜头模组，所述第一驱动模块与所述第二驱动模块相互作用产生驱动力推动所述镜头模组的摆动。
PCT/CN2020/101498 2020-06-30 2020-07-10 光学装置 WO2022000550A1 (zh)

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CN201437825U (zh) * 2009-06-29 2010-04-14 深圳烟草工业有限责任公司 一种十字轴万向联轴器
CN103052909A (zh) * 2010-08-06 2013-04-17 日本电产三协株式会社 带抖动修正功能的光学单元
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