WO2021114022A1 - 一种镜头结构及成像终端 - Google Patents

一种镜头结构及成像终端 Download PDF

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Publication number
WO2021114022A1
WO2021114022A1 PCT/CN2019/124028 CN2019124028W WO2021114022A1 WO 2021114022 A1 WO2021114022 A1 WO 2021114022A1 CN 2019124028 W CN2019124028 W CN 2019124028W WO 2021114022 A1 WO2021114022 A1 WO 2021114022A1
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Prior art keywords
lens
light
structure according
transmitting portion
barrel
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Application number
PCT/CN2019/124028
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English (en)
French (fr)
Inventor
许凌云
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诚瑞光学(常州)股份有限公司
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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
Priority to PCT/CN2019/124028 priority Critical patent/WO2021114022A1/zh
Publication of WO2021114022A1 publication Critical patent/WO2021114022A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses

Definitions

  • This application relates to the field of optical imaging technology, and specifically to a lens structure and an imaging terminal.
  • optical lens structures are widely used in various fields of life.
  • the prior art lens structure includes a lens barrel and a lens arranged in the lens barrel.
  • the lens is often fixed by interference fit with the inner wall of the lens barrel.
  • the lens and the lens barrel may occur during daily use. The phenomenon of relative offset or shaking, resulting in poor imaging results.
  • the purpose of this application is to provide a lens structure and an imaging terminal, which can stably fix the lens group and the lens barrel together.
  • a lens structure which includes a lens barrel with an accommodation space and a lens group installed in the lens barrel, the lens group includes a first lens, and the first lens includes The first surface of the inner wall of the lens barrel, the lens barrel includes a light-transmitting portion that abuts on the first surface, the light-transmitting portion is made of a transparent material, and light can be irradiated to all through the light-transmitting portion
  • the first lens is fixedly connected to the light-transmitting part on the first surface.
  • the light is laser light
  • the laser light is irradiated onto the first surface through the light-transmitting portion to weld the first lens and the light-transmitting portion.
  • the light-transmitting portion has a sleeve-like structure, and the light-transmitting portion is sleeved on the first surface of the first lens.
  • the light-transmitting portion includes a second surface, and any position of the first surface abuts on the second surface.
  • it further includes a matting texture, and the matting texture is formed on the first surface.
  • the present application further includes a light-sensitive adhesive layer, the light-sensitive adhesive layer is adhered to the first surface or the contact surface between the light-transmitting portion and the first surface, and the light-sensitive adhesive The layer can bond the first lens and the light-transmitting part together under the irradiation of light.
  • the present application further includes a second lens, an end of the lens barrel near the object side forms a limiting groove, the second lens is installed in the limiting groove, and the first lens is close to the object side.
  • the surface abuts on the surface of the second lens near the image side.
  • the first lens and the second lens are both cylindrical, and the diameter of the first lens is larger than the diameter of the second lens.
  • a shading sheet is arranged between the first lens and the second lens.
  • the present application also provides an imaging terminal, including a lens structure as described in any of the above embodiments.
  • the beneficial effect of the present application is that, through the light-transmitting part, the preset light can be irradiated on the first surface of the first lens that matches the inner wall of the lens barrel, so that the first lens and the fixing part are fixedly connected together.
  • the lens structure is easy to assemble, and the first lens and the lens barrel can be stably fixed together. .
  • Figure 1 is a schematic diagram of the overall structure of the lens structure of the application.
  • FIG. 2 is a schematic diagram of an exploded structure of the lens structure of the application
  • FIG. 3 is a schematic cross-sectional structure diagram of the lens structure of the application.
  • FIG. 4 is a schematic diagram of the structure of the lens barrel of this application.
  • FIG. 5 is a schematic diagram of the structure of the imaging terminal of this application.
  • Imaging terminal 10, lens structure; 11, terminal body; 100, lens barrel; 110, light transmitting part; 111, second surface; 120, limit groove; 200, lens group; 210, the first lens; 211, the first surface; 220, the second lens.
  • the lens structure 10 in an embodiment of the present application includes a lens barrel 100 having an accommodation space and a lens group 200 installed in the lens barrel 100.
  • the lens group 200 includes a A lens 210.
  • the surface of the first lens 210 that contacts the inner wall of the lens barrel 100 is defined as the first surface 211.
  • the lens barrel 100 includes a light-transmitting portion 110 that abuts on the first surface 211.
  • the light-transmitting portion 110 is made of a transparent material.
  • the first lens 210 can be fixedly connected to the light-transmitting portion 110 under the irradiation of a preset light. Furthermore, the first lens 210 is stably fixed on the lens barrel 100.
  • the lens structure 10 of an embodiment of the present application does not need to be provided with redundant fixing structures, and the assembly between the first lens 210 and the lens barrel 100 can be realized by simple operations.
  • the preset light in this embodiment is light that can cause the first lens 210 to react, or light that can cause some materials provided on the first lens 210 to react.
  • the shape of the lens barrel 100 is not limited, and may be cylindrical, prismatic, or other shapes. In an embodiment of the present application, it is cylindrical, which is convenient for production and easy to install and cooperate with other components.
  • the light used in an embodiment of the present application is a laser, and the laser is irradiated on the first surface 211 through the light-transmitting part 110, so that the properties of the first surface 211 are changed, and then the first lens 210 and the light-transmitting part 110 are welded together.
  • the laser welding of the first lens 210 and the light transmitting portion 110 by laser is simple to operate, and does not affect the appearance of the lens barrel 100.
  • the first surface 211 is formed with matting lines.
  • the matting lines are formed after being irradiated by laser. After the first surface 211 is irradiated by the laser, not only the first lens 210 can be welded to the lens barrel 100 , And can form an extinction texture, thereby eliminating the flare generated on the first surface 211 of the first lens 210, so that the lens structure 10 of an embodiment of the present application has a better imaging effect.
  • the matting texture may also be provided by the first lens 210 when it leaves the factory.
  • the matting texture may also be replaced by a matting layer made of some matting materials, and the matting layer can be attached to the first surface 211.
  • an embodiment of the present application further includes a photosensitive adhesive layer, which is adhered on the first surface 211 or the contact surface between the light-transmitting portion 110 and the first surface 211, and the photosensitive adhesive layer
  • the first lens 210 and the light-transmitting part 110 can be bonded together under the irradiation of light.
  • the photosensitive adhesive layer in this embodiment takes UV adhesive as an example.
  • the light used in an embodiment of the present application is ultraviolet light.
  • the ultraviolet light is irradiated onto the first surface 211 or the transparent portion 110.
  • the UV glue is solidified to form a photosensitive glue layer, and the light-transmitting part 110 is glued to the first surface 211, thereby stably fixing the first lens 210 on the lens barrel 100, and the operation is simple, and The appearance of the lens barrel 100 will not be affected.
  • the light-transmitting portion 110 in an embodiment of the present application is a sleeve-shaped structure, and the light-transmitting portion 110 is sleeved on the first surface 211 of the first lens 210.
  • the light-transmitting portion 110 includes a second surface 111, and the second surface 111 is a contact surface between the light-transmitting portion 110 and the first surface 211, and any position of the first surface 211 abuts on the second surface 111. Furthermore, the first surface 211 can be irradiated by light, so that the first lens 210 and the lens barrel 100 can be fixedly connected together to the greatest extent. In addition, each position of the first surface 211 can be irradiated by light and generated Extinction lines can minimize the generation of flares.
  • the light-transmitting part 110 in this embodiment may also be multiple isolated from each other, which are respectively located on the first surface 211 of the first lens.
  • the shape of the light-transmitting part 110 is also not limited, which can make the light It suffices to irradiate on the first surface 211.
  • the lens group 200 further includes a second lens 220.
  • the inner side of the lens barrel 100 near the object side forms a limiting groove 120
  • the second lens 220 is installed in the limiting groove 120
  • the first lens 210 The surface close to the object side abuts against the surface of the second lens 220 close to the image side.
  • the object side in this embodiment refers to the side that is close to the object to be photographed during photography or shooting
  • the image side refers to the side that is far away from the object to be photographed during photography or shooting.
  • first lens 210 and the second lens 220 are both cylindrical, and the diameter of the first lens 210 is larger than the diameter of the second lens 220.
  • a shading sheet is arranged between the first lens 210 and the second lens 220, and further, the shading sheet is ring-shaped and located at the edge of the first lens 210.
  • the light-shielding sheet can effectively prevent the occurrence of flare, and cooperate with the extinction line or the extinction layer to further eliminate the flare, so that the imaging effect of an embodiment of the present application is better.
  • a shading sheet is arranged between the lenses.
  • the optical axis of the lens group 200 and the central axis of the lens barrel 100 are on the same straight line. That is, the structure composed of the lens group 200 and the lens barrel 100 is a symmetrical structure.
  • an embodiment of the present application further provides an imaging terminal 1.
  • the imaging terminal 1 includes the lens structure 10 and the terminal body 11 in any of the above embodiments, and the lens structure 10 is mounted on the terminal body 11.
  • the imaging terminal 1 may be a video camera, a camera, a mobile terminal with a camera function, or the like.
  • the imaging terminal 1 of an embodiment of the present application has higher stability and good imaging effect.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

一种镜头结构(10)及成像终端(1)。镜头结构(10)包括具有容纳空间的镜筒(100)以及安装在镜筒内(100)的镜片组(210),镜片组(210)包括第一镜片(210),第一镜片(210)包括贴设在镜筒(100)内壁的第一表面(211),镜筒(100)包括抵触在第一表面(211)上的透光部(110),透光部(110)由透明材料制成,光线通过透光部(110)能够照射至第一表面(211)上,第一镜片(210)能够在预设光线的照射下与透光部(110)固定连接。镜头结构(10)装配方便,而且能够使第一镜片(210)与镜筒(100)稳定固定在一起。

Description

一种镜头结构及成像终端 技术领域
本申请涉及光学成像技术领域,具体指涉及一种镜头结构及成像终端。
背景技术
随着成像技术的发展以及具有摄像功能的电子产品的广泛使用,光学镜头结构广泛应用于生活的各个领域。
技术问题
现有技术的镜头结构包括镜筒及设置于所述镜筒内的镜片,所述镜片常通过与所述镜筒内壁过盈配合完成固定,但是在日常的使用过程中会发生镜片与镜筒相对偏移或晃动的现象,导致成像效果不佳。
因此,有必要提供一种新的镜头结构以解决上述缺陷。
技术解决方案
本申请的目的在于提供一种镜头结构及成像终端,能够使镜头组与镜筒稳定固定在一起。
本申请的技术方案如下:提供一种镜头结构,包括具有容纳空间的镜筒以及安装在所述镜筒内的镜片组,所述镜片组包括第一镜片,所述第一镜片包括贴设在所述镜筒内壁的第一表面,所述镜筒包括抵触在所述第一表面上的透光部,所述透光部由透明材料制成,光线通过所述透光部能够照射至所述第一表面上并使所述第一镜片与所述透光部固定连接。
可选地,所述光线为激光,激光通过所述透光部照射至所述第一表面上能够使所述第一镜片与所述透光部焊接。
可选地,所述透光部呈套筒状结构,所述透光部套设在所述第一镜片的第一表面上。
可选地,所述透光部包括第二表面,所述第一表面的任一位置均抵触在所述第二表面上。
可选地,还包括消光纹路,所述消光纹路形成在所述第一表面上。
可选地,本申请还包括光感胶层,所述光感胶层粘设在所述第一表面上或所述透光部与所述第一表面的接触面上,所述光感胶层能够在光线的照射下将所述第一镜片与所述透光部粘合在一起。
可选地,本申请还包括第二镜片,所述镜筒内侧靠近物侧的一端形成有限位槽,所述第二镜片安装在所述限位槽内,所述第一镜片靠近物侧的表面抵触在所述第二镜片靠近像侧的表面上。
可选地,所述第一镜片与所述第二镜片均呈圆柱状,所述第一镜头的直径大于所述第二镜头的直径。
可选地,所述第一镜片与所述第二镜片之间设置有遮光片。
另外,本申请还提供一种成像终端,包括如上任一项实施例中所述的一种镜头结构。
有益效果
本申请的有益效果在于:本申请通过透光部,预设光线能够照射至第一镜片上与镜筒内壁配合的第一表面上,进而使第一镜片与固定部固定连接在一起,本实施例镜头结构装配方便,而且能够使第一镜片与镜筒之间的稳定固定在一起。。
附图说明
图1为本申请镜头结构的整体结构示意图;
图2为本申请镜头结构的分解结构示意图;
图3为本申请镜头结构的剖面结构示意图;
图4为本申请镜筒的结构示意图;
图5为本申请成像终端的结构示意图;
说明书中附图标记如下:1、成像终端;10、镜头结构;11、终端本体;100、镜筒;110、透光部;111、第二表面;120、限位槽;200、镜片组;210、第一镜片;211、第一表面;220、第二镜片。
本发明的实施方式
下面结合附图和实施方式对本申请作进一步说明。
如图1、图2、图3及图4所示,本申请一实施例中的镜头结构10包括具有容纳空间的镜筒100以及安装在镜筒100内的镜片组200,镜片组200包括第一镜片210,将第一镜片210上与镜筒100内侧壁接触的表面定义为第一表面211,镜筒100包括抵触在第一表面211上的透光部110,透光部110由透明材质制成,通过透光部110,光线通过透光部110能够照射至第一表面211上,第一镜片210能够在预设光线的照射下与透光部110固定连接。进而使第一镜片210稳定固定在镜筒100上,本申请一实施例的镜头结构10无需设置多余的固定结构,只需简单操作,即可实现第一镜片210与镜筒100之间的装配。需要说明的是,本实施例中的预设光线为能够使第一镜片210发生反应的光线,或能够使设置在第一镜片210上的某些材料发生反应的光线。
镜筒100的形状不做限制,可以是圆柱状,也可以是棱柱状,也可以是其它形状,本申请一实施例中为圆柱状,方便生产,便于与其他部件安装配合。
本申请一实施例中所使用的光线为激光,激光通过透光部110照射在第一表面211上,使第一表面211性质发生改变,进而将第一镜片210与透光部110焊接在一起,通过激光将第一镜片210与透光部110激光焊接在一起的方式操作简单,并且不会影响镜筒100的外观。
本申请一实施例中的第一表面211上形成有消光纹路,具体地,消光纹路通过激光照射之后形成,通过激光照射第一表面211之后,不仅可以使第一镜片210焊接在镜筒100上,而且可以形成消光纹路,进而消除第一镜片210的第一表面211产生的耀斑,使本申请一实施例的镜头结构10成像效果更好。需要说明的是,消光纹路也可以是第一镜片210出厂时自带的,另外,消光纹路还可以被一些消光材料制成的消光层替代,将消光层贴设在第一表面211上。
在某些实施例中,本申请一实施例还包括光感胶层,光感胶层粘设在第一表面211上或透光部110与第一表面211的接触面上,光感胶层能够在光线的照射下将第一镜片210与透光部110粘合在一起。具体地,本实施例中的光感胶层以UV胶为例,本申请一实施例中所使用的光线为紫外光,在将第一镜片210安装在镜筒100内前,在第一表面211上或透光部110与第一表面211接触的表面上涂设UV胶,然后将第一镜片210安装在镜筒100内,紫外光通过透光部110照射至第一表面211上或透光部110上的UV胶上,UV胶凝固形成光感胶层,并将透光部110粘在第一表面211上,进而将第一镜片210稳定固定在镜筒100上,操作简单,并且不会影响镜筒100的外观。
如图1、图2、图3及图4,本申请一实施例中的透光部110为套筒状结构,透光部110套设在第一镜片210的第一表面211上。
透光部110包括第二表面111,第二表面111为透光部110与第一表面211的接触面,第一表面211的任一位置均抵触在第二表面111上。进而可以使第一表面211完成被光线照射到,使第一镜片210与镜筒100最大化的固定连接在一起,另外,也可以使第一表面211的每一个位置均能够被光线照射并产生消光纹路,进而可以最大化的降低耀斑的产生。
需要说明的是,本实施例中的透光部110也可以是相互隔离的多个,分别位于在第一镜头的第一表面211上,透光部110的形状也不做限制,能够使光线照射在第一表面211上即可。
如图2、图3所示,镜片组200还包括第二镜片220,镜筒100内侧靠近物侧的一端形成有限位槽120,第二镜片220安装在限位槽120内,第一镜片210靠近物侧的表面抵触在第二镜片220靠近像侧的表面上。
需要说明的是,本实施例中的物侧指的是在照相或摄像时靠近所要拍摄物体的一侧,像侧指在照相或摄像时远离所要拍摄物体的一侧。
进一步地,第一镜片210与第二镜片220均为圆柱状,第一镜片210的直径大于第二镜片220的直径。
第一镜片210与第二镜片220之间设置有遮光片,进一步地,遮光片为环状,位于第一镜片210的边缘处。通过遮光片可以有效地防止耀斑的产生,与消光纹路或消光层配合,进一步地消除耀斑,使本申请一实施例的成像效果更佳。当镜片组200包括多个镜片的时候,各镜片之间设置有遮光片。
如图1、图2及图3所示,镜片组200的光轴与镜筒100的中心轴线为同一直线。即由镜片组200与镜筒100组成的结构为对称结构。
如图5所示,本申请一实施例还提供一种成像终端1,成像终端1包括如上任一实施例中的镜头结构10和终端本体11,所属镜头结构10安装在所属终端本体11上,成像终端1可以是摄像机,也可以是照相机,可以是具有摄像功能的移动终端等。本申请一实施例的成像终端1稳定性更高,成像效果好。
以上所述的仅是本申请的实施方式,在此应当指出,对于本领域的普通技术人员来说,在不脱离本申请创造构思的前提下,还可以做出改进,但这些均属于本申请的保护范围。

Claims (10)

  1. 一种镜头结构,其特征在于,包括具有容纳空间的镜筒以及安装在所述镜筒内的镜片组,所述镜片组包括第一镜片,所述第一镜片包括贴设在所述镜筒内壁的第一表面,所述镜筒包括抵触在所述第一表面上的透光部,所述透光部由透明材料制成,光线通过所述透光部能够照射至所述第一表面上,所述第一镜片能够在预设光线的照射下与所述透光部固定连接。
  2. 根据权利要求1所述的一种镜头结构,其特征在于:所述光线为激光,激光通过所述透光部照射至所述第一表面上能够使所述第一镜片与所述透光部焊接。
  3. 根据权利要求2所述的一种镜头结构,其特征在于:所述透光部呈套筒状结构,所述透光部套设在所述第一镜片的第一表面上。
  4. 根据权利要求3所述的一种镜头结构,其特征在于:所述透光部包括第二表面,所述第一表面的任一位置均抵触在所述第二表面上。
  5. 根据权利要求2-4中任一项所述的一种镜头结构,其特征在于:还包括消光纹路,所述消光纹路形成在所述第一表面上。
  6. 根据权利要求1所述的一种镜头结构,其特征在于:还包括光感胶层,所述光感胶层粘设在所述第一表面上或所述透光部与所述第一表面的接触面上,所述光感胶层能够在光线的照射下将所述第一镜片与所述透光部粘合在一起。
  7. 根据权利要求1所述的一种镜头结构,其特征在于:还包括第二镜片,所述镜筒内侧靠近物侧的一端形成有限位槽,所述第二镜片安装在所述限位槽内,所述第一镜片靠近物侧的表面抵触在所述第二镜片靠近像侧的表面上。
  8. 根据权利要求7所述的一种镜头结构,其特征在于:所述第一镜片与所述第二镜片均呈圆柱状,所述第一镜头的直径大于所述第二镜头的直径。
  9. 根据权利要求7或8中所述的一种镜头结构,其特征在于:所述第一镜片与所述第二镜片之间设置有遮光片。
  10. 一种成像终端,其特征在于:包括如上权利要求1-9中任一项所述的一种镜头结构。
PCT/CN2019/124028 2019-12-09 2019-12-09 一种镜头结构及成像终端 WO2021114022A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008287121A (ja) * 2007-05-21 2008-11-27 Sumitomo Electric Ind Ltd 遠赤外線カメラ用レンズユニットとその製造方法
CN103135154A (zh) * 2011-12-02 2013-06-05 鸿富锦精密工业(深圳)有限公司 滤光片及使用该滤光片之镜头模组
WO2015151925A1 (ja) * 2014-04-01 2015-10-08 オリンパス株式会社 レンズ固定構造、レンズ、レンズユニット、およびレンズ固定方法
CN110058376A (zh) * 2019-05-21 2019-07-26 厦门力鼎光电股份有限公司 一种抗强冲击的双目一体式镜头
CN110524363A (zh) * 2019-08-29 2019-12-03 深圳市灿锐科技有限公司 一种实现镜头高精度成像的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008287121A (ja) * 2007-05-21 2008-11-27 Sumitomo Electric Ind Ltd 遠赤外線カメラ用レンズユニットとその製造方法
CN103135154A (zh) * 2011-12-02 2013-06-05 鸿富锦精密工业(深圳)有限公司 滤光片及使用该滤光片之镜头模组
WO2015151925A1 (ja) * 2014-04-01 2015-10-08 オリンパス株式会社 レンズ固定構造、レンズ、レンズユニット、およびレンズ固定方法
CN110058376A (zh) * 2019-05-21 2019-07-26 厦门力鼎光电股份有限公司 一种抗强冲击的双目一体式镜头
CN110524363A (zh) * 2019-08-29 2019-12-03 深圳市灿锐科技有限公司 一种实现镜头高精度成像的方法

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