WO2018166261A1 - 一种移动终端的潜望式镜头模组及移动终端 - Google Patents

一种移动终端的潜望式镜头模组及移动终端 Download PDF

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Publication number
WO2018166261A1
WO2018166261A1 PCT/CN2017/117254 CN2017117254W WO2018166261A1 WO 2018166261 A1 WO2018166261 A1 WO 2018166261A1 CN 2017117254 W CN2017117254 W CN 2017117254W WO 2018166261 A1 WO2018166261 A1 WO 2018166261A1
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WO
WIPO (PCT)
Prior art keywords
lens
mobile terminal
cylindrical body
firmware
notch
Prior art date
Application number
PCT/CN2017/117254
Other languages
English (en)
French (fr)
Inventor
李安
王庆平
周开城
Original Assignee
华为技术有限公司
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
Priority claimed from CN201710385488.8A external-priority patent/CN108627942B/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP17901073.1A priority Critical patent/EP3588159A4/en
Publication of WO2018166261A1 publication Critical patent/WO2018166261A1/zh
Priority to US16/569,962 priority patent/US11513334B2/en

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    • 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
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • 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
    • 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 present invention relates to the field of mobile terminal technologies, and in particular, to a periscope lens module and a mobile terminal of a mobile terminal.
  • the lateral dimension (vertical optical axis direction) is often determined by the front lens group.
  • the telephoto lens generally adopts a periscope folding structure. Therefore, the lateral size of the lens determines the height of the module. Since the mobile terminals such as mobile phones and tablet computers are affected by the thickness, the height of the module is greatly affected, and the height of the module and the aperture value of the lens are strongly correlated, that is, the height of the module determines the light entrance side of the module.
  • the diameter of the lens, and the larger the diameter of the lens on the light side of the module, the smaller the aperture value of the lens, and the aperture value of the lens is directly related to the quality of the photograph, such as resolution, low-light imaging capability, etc. The better the quality of the hourly photo.
  • the diameter of the first lens is limited, so that the aperture value of the lens cannot be smaller, which greatly affects the quality of the imaging.
  • the present application provides a periscope lens module and a mobile terminal of a mobile terminal, which solve the problem of low imaging quality in the prior art.
  • the present application provides a periscope lens module for a mobile terminal, the module comprising: a motor housing and a lens, and the lens is located in the motor housing;
  • the lens includes: a housing, a first lens, and a plurality of second lenses, wherein the housing includes a first cylindrical body and a second cylindrical body in communication with the first cylindrical body, the a cylindrical body having a larger diameter than the second cylindrical body, the side wall of the first cylindrical body being provided with at least one notch penetrating the side wall; the first lens being fixed to the first circle In the cylinder, the plurality of second lenses are fixed in the second cylinder, and the first lens, the plurality of second lenses, the first cylindrical body and the second cylindrical body are disposed coaxially.
  • At least one through-notch is provided in the side wall of the first cylindrical body, and when the notch is formed, a part of the curved side wall on the first cylindrical body is cut. Therefore, the distance from the first lens to the notch is smaller than the distance from the first lens to the curved side wall on the first cylindrical body.
  • the thickness dimension of the mobile terminal affects the diameter of the first lens. Therefore, when placed, the notch is directed toward the rear case of the mobile terminal, so that the diameter of the first lens can be increased, thereby further increasing the diameter of the first lens. Reduce the aperture value of the lens module to improve the quality of imaging.
  • the number of the notches is two, and two notches are symmetrically disposed on the first cylindrical body.
  • the first lens accommodating space is further increased, so that the diameter of the first lens can be further increased, thereby improving the quality of imaging.
  • each notch outside the first cylindrical body is configured as a facet. That is, a portion of the sidewall of the first cylindrical body is cut at a position where the notch is formed to form a plane, thereby further increasing the space for accommodating the first lens, thereby increasing the diameter of the first lens and improving the image quality.
  • the distance from the center of the first lens to the cut surface is not less than the diameter of the first lens.
  • the distance from the center of the first lens to the cut surface is not less than the radius of the first lens.
  • the module further includes a first firmware embedded in the second cylinder and used to secure the first lens.
  • the first lens is fixed by using the first firmware.
  • the first firmware is specifically disposed, the first firmware is circular, and one end of the first firmware away from the first lens is chamfered to facilitate insertion of the first firmware into the second cylinder.
  • the module further includes at least one second firmware, and the at least one second firmware is inserted into the at least one notch in a one-to-one correspondence and used to fix the first lens.
  • the first lens is fixed by using the second firmware.
  • the first firmware, the second firmware, and the first lens are disposed in a unitary structure when the first lens is fixed by the first firmware and the second firmware.
  • each of the indentations is a chevron-shaped indentation, and the smaller end of the notch opening is adjacent to the second cylindrical body. It is convenient to insert the second firmware into the gap.
  • a mobile terminal in a second aspect, includes a mobile terminal body, and a periscope lens module of the mobile terminal according to any one of the above-mentioned mobile terminals.
  • a lens for use in a periscope lens module of a mobile terminal, the lens comprising: a housing, a first lens, and a plurality of second lenses, wherein the housing includes a cylindrical body and a second cylindrical body communicating with the first cylindrical body, the first cylindrical body having a larger diameter than the second cylindrical body, the side wall of the first cylindrical body Providing at least one notch penetrating the side wall; the first lens is fixed in the first cylinder, the plurality of second lenses are fixed in the second cylinder, and the first lens The plurality of second lenses, the first cylindrical body and the second cylindrical body are disposed coaxially.
  • the number of the notches is two, and two notches are symmetrically disposed on the first cylindrical body.
  • each notch outside the first cylindrical body is configured as a facet.
  • the distance from the center of the first lens to the cut surface is not less than the diameter of the first lens.
  • the module further includes a first firmware embedded in the second cylinder and used to secure the first lens.
  • the module further includes at least one second firmware, and the at least one second firmware is inserted into the at least one notch in a one-to-one correspondence and used to fix the first lens.
  • the first firmware, the second firmware, and the first lens are disposed in a unitary structure when the first lens is fixed by the first firmware and the second firmware.
  • each of the indentations is a chevron-shaped indentation, and the smaller end of the notch opening is adjacent to the second cylindrical body.
  • the lenses are arranged along the width direction of the mobile terminal.
  • one of the side wall notches is parallel to the rear case of the mobile terminal.
  • a mobile terminal comprising: a mobile terminal body, the lens according to any one of the above items disposed in the mobile terminal.
  • At least one through-notch is provided in the side wall of the first cylindrical body, and when the notch is formed, a part of the curved side wall on the first cylindrical body is cut. Therefore, the distance from the first lens to the notch is smaller than the distance from the first lens to the curved side wall on the first cylindrical body.
  • the thickness dimension of the mobile terminal affects the diameter of the first lens. Therefore, when placed, the notch is directed toward the rear case of the mobile terminal, so that the diameter of the first lens can be increased, thereby further increasing the diameter of the first lens. Reduce the aperture value of the lens module to improve the quality of imaging.
  • FIG. 1 is a schematic diagram of a periscope lens module provided by the present application.
  • FIG. 2 is a schematic diagram of cooperation between a periscope lens module and a mobile terminal provided by the present application;
  • FIG. 3 is a schematic diagram of comparison between a lens module in the present application and a lens module in the prior art in a mobile terminal;
  • FIG. 4 is a schematic structural diagram of a periscope lens module provided by the present application.
  • FIG. 5 is a schematic structural diagram of another periscope lens module provided by the present application.
  • FIG. 6 is a schematic structural diagram of another periscope lens module provided by the present application.
  • FIG. 7 is a schematic structural diagram of another periscope lens module provided by the present application.
  • Figure 8 is a schematic view showing the cooperation of the first lens and the first cylindrical body provided by the present application.
  • FIG. 9 is a schematic structural view of a notch provided by the present application.
  • FIG. 1 shows a structural schematic diagram of a lens module.
  • the structure of the lens module includes: a mirror 2 or a reflective prism 2.1, a lens 3, a filter 4, an image sensor 5, a signal processing module 6, and a display module 7.
  • the imaging principle is as follows: the imaging light 1 is deflected into the lens 3 through the reflective prism 2 or the mirror 2.1 (the reflective prism 2 and the mirror 2.1 have the same function), and the lens 3 has a converging imaging effect on the light 1 through the filter 4, the unnecessary light waves in the light 1 (for example, light waves other than visible light) are filtered out, and finally concentrated on the image sensor 5; the signal processing module 6 controls the image sensor 5 to photoelectrically convert the collected optical signals, and after processing, is transmitted to the display module. 7 to display.
  • the lens module further includes: a focus motor for adjusting the lens position to take objects at different distances; an anti-shake motor for adjusting the lens position so that the object is not caused by, for example, user hand shake. Causes the image to be blurred.
  • System control device including camera control, used to set the camera mode, such as black and white mode, high dynamic mode, etc.; focus control, used to control the focus motor to achieve auto focus; anti-shake control, used to control the anti-shake motor to stabilize the captured image.
  • the above-mentioned focus motor, anti-shake motor, system control device and the like are similar to those in the lens module in the prior art mobile terminal, and will not be described in detail herein.
  • FIG. 2 the figure shows a schematic diagram of the cooperation between the lens module and the mobile terminal.
  • the lens module is transversely disposed in the mobile terminal, that is, the mirror 2 or the reflective prism 2.1 and the lens 3.
  • the filters 4 (the direction of light propagation in the imaging lens module) are arranged along the width direction of the mobile terminal.
  • the outer casing 8 of the motor (focus motor) is fixed in the mobile terminal, and the lens 3 and the large outer casing 8 have a certain focusing gap.
  • the aperture value of the mirror lens module is directly related to the quality of the photograph, such as resolution, low-light imaging capability, etc., and the aperture value is determined by the diameter of the lens located at the front end of the lens module, therefore, in the present application, the lens The lens in the module is improved to improve the image quality.
  • the present application improves the structure of the lens in the periscope lens module.
  • the lens is specifically set, the lens is placed in a motor (focus motor) housing; wherein the lens includes a housing, first A lens 33 and a plurality of second lenses. Specifically, as shown in FIG.
  • the housing includes a first cylindrical body 31 having a larger diameter and a second cylindrical body 32 having a smaller diameter, and the first cylindrical body 31 and the second cylindrical body 32 is connected and coaxially disposed, the first lens 33 is disposed in the first cylindrical body 31 having a larger diameter, the plurality of second lenses are disposed in the second cylindrical body 32, and the first lens 33 and the plurality of The two lenses are coaxially disposed, wherein the first lens 33 is a lens on the light incident side, that is, the first lens 33 receives the reflected light 1 and propagates to the second lens.
  • the aperture value is determined by the size of the first lens 33, and the larger the diameter of the first lens 33, the smaller the aperture value. The better the image quality. Therefore, in order to increase the diameter of the first lens 33, it is necessary to make maximum use of the space inside the motor casing.
  • it in order to increase the diameter of the first lens 33, it is employed on the side wall of the first cylindrical body 31. At least one notch 311 penetrating through the first cylindrical body 31 is provided, and the notch 311 is a notch formed by cutting a part of the side wall of the first cylindrical body 31, and therefore, the center of the first lens 33 is to the first cylindrical body 31.
  • the position of the notch on the outer side wall is smaller than the distance from the center of the first lens 33 to the outer side wall of the first cylindrical body 31 without the notch position.
  • the notch faces the thickness direction of the mobile terminal. Therefore, the manner of using the above-mentioned notch is equivalent to reducing the size of the first cylindrical body 31 in the direction of the thickness of the mobile terminal, and moving.
  • the dimension in the thickness direction of the terminal is a main dimension that defines the size of the first cylindrical body 31. Therefore, after the cutout reduces the size of the first cylindrical body 31 in the rear end direction of the mobile terminal, the size of the first cylindrical body 31 can be made. The larger, and thus the first lens 33, can be made larger.
  • FIG. 3 is a schematic diagram of the lens module of the present application and the lens module of the prior art placed in the mobile terminal; the lens module on the left side is the lens module of the present application, and the lens module is Only one notch 311 is used on the first cylindrical body 31, and the lens module on the right side is a lens module without a notch on the first cylindrical body; the two horizontal lines in the figure are two parallel auxiliary lines.
  • Two auxiliary lines are used to help understand the width dimension occupied by the lens module in the thickness direction of the mobile terminal, wherein two parallel lines are respectively tangent to the two cylinders, and the distance between the two parallel lines is c
  • the first cylindrical body 31 adopts a non-circular symmetrical structure, which can effectively increase the diameter of the first lens 33, thereby fully utilizing the internal space of the motor casing and reducing the lens aperture. Value, improve lens optical performance and enhance the camera experience.
  • the number of the notches 311 is two, and the two notches 311 are symmetrically disposed on the first cylindrical body 31.
  • the two notches are in the first circle.
  • the cylindrical body 31 is formed by cutting a part of the cylindrical wall. Therefore, when the lens is placed in the mobile terminal, the two notches are parallel to the rear case of the mobile terminal, and together with FIG. 3, when placed in the above manner, the first lens can be made.
  • the diameter d of 33 can be increased by 2*(ef) compared to the diameter of the first lens in the lens module without the notch.
  • the number of the notches 311 is not limited to two, and may be any number of notches 311 of four, six, etc., as shown in FIG. The case of the gap 311.
  • the lens module can be fixed when it is placed in the mobile terminal, that is, any two opposite notches 311 can be used to cooperate with the mobile terminal.
  • the lens module further includes a first firmware 332, and the first firmware 332 is embedded in the second cylindrical body 32 and used.
  • the first lens 33 is fixed. That is, when the first lens 33 is placed in the first cylindrical body 31, a first firmware 332 is connected to the side of the first lens 33 toward the second cylindrical body 32, and the first firmware 332 is used for card loading.
  • the first cylindrical body 33 is fixed in the second cylindrical body 32.
  • the side wall of the second cylindrical body 32 is a complete cylindrical side wall, when the first firmware 332 is inserted, the first one can be stably stabilized.
  • the lens 33 is fixed, and the mounting accuracy of the first lens 33 is ensured to avoid occurrence of eccentricity.
  • the first firmware 332 is circular, and one end of the first firmware 332 away from the first lens 33 is chamfered, and the chamfer structure can be conveniently used.
  • a fastener 332 is inserted into the second cylindrical body 32.
  • the first firmware 332 and the first lens 33 are integrally formed in a specific arrangement, that is, the stability of the connection between the first lens 33 and the first firmware 332 is ensured, and at the same time It also guarantees the relative accuracy between the two.
  • each notch 311 provided on the outer side of the first cylindrical body 31 provided by the embodiment of the present application is set as a cut surface 312 . That is, each of the notches 311 is in one-to-one correspondence with a cut surface 312. Taking a notch 311 and a corresponding cut surface 312 of the notch 311 as an example, it can be understood that a portion of the side wall of the first cylindrical body 31 is cut away to form a cut surface 312. Thereafter, a notch 311 is formed in the cut surface 312, and the notch 311 communicates with the hollow portion of the first cylindrical body 31.
  • a notch 311 is formed in the side wall of the first cylindrical body 31, after which, A portion of the side wall of the first cylindrical body 31 is cut away to form a cut surface 312, and passes through the notch 311 at the time of cutting, thereby forming a relationship in which each of the notches 311 is in one-to-one correspondence with the cut surface 312.
  • the distance from the center of the first lens 33 to the cut surface 312 is not less than the diameter of the first lens 33, thereby ensuring that the first lens 33 is always located in the first cylindrical body 31, and does not protrude to the first
  • the outside of the cylindrical body 31 is used to secure the first lens 33.
  • the distance from the center of the first lens 33 to the cut surface 312 is equal to the diameter of the first lens 33, and at this time, each of the cut surfaces 312 is first.
  • the cut surface of the lens 33 When the structure is adopted, the space inside the motor casing can be utilized to the utmost, that is, the diameter of the first lens 33 is maximized, thereby reducing the aperture value and improving the imaging effect.
  • the notch 311 can also function as a structure for fixing the first lens 33 in a specific arrangement.
  • the lens module further includes at least one second firmware 331, and at least one second firmware 331 is inserted into the at least one notch 311 and used to fix the first lens 33.
  • the first lens 33 is inserted in the opening direction of the notch 311, and at the time of insertion, the second firmware 331 provided on the first lens 33 cooperates with the notch 311 to fix the first lens.
  • the structure of the mating second firmware 331 and the notch 311 can be improved for the convenience of fixing the first lens 33.
  • the second firmware 331 is chamfered toward one side of the notch 311, or a chamfer is provided at the notch 311 to facilitate insertion of the second firmware 331 into the notch 311.
  • the friction distance between the notch 311 and the second firmware 331 is too large, which makes assembly difficult.
  • the notch 311 can adopt a stepped notch 311. As shown in FIG. 9 , each of the notches 311 is a chevron-shaped notch. Specifically, the shape of the notch 311 is a “convex” shape, but the boundary of the “convex” glyph is not strictly defined, as shown in FIG. 9 .
  • the notch 311 Located at one end of the first cylindrical body 31 on the light incident side, the notch 311 forms an opening at one end of the first cylindrical body 31 on the light incident side. And the end of the notch 311 having a smaller opening is adjacent to the second cylindrical body 32. That is, the notch opening at the port of the first cylindrical body 31 is large, and the notch opening on the side close to the second cylindrical body 32 is small, and the second firmware 331 is used to fit the notch having a small opening.
  • the first lens 33 When the first lens 33 is inserted, there is a sufficient gap between the notch having a larger opening and the second firmware 331 so that the first lens 33 is placed into the first cylindrical body 31 only at the last portion, at the first
  • the lens 33 requires a fixed position, and the first lens 33 and the notch are engaged. This facilitates the installation of components.
  • the first lens 33 provided in this embodiment can also implement the fixing of the first lens 33 by using the first firmware 332 mentioned in Embodiment 1. That is, in the embodiment, the fixing of the first lens 33 can be achieved by the cooperation of the second firmware 331 and the notch 311, and the first lens 33 can be realized by the cooperation of the first firmware 332 and the second cylindrical body 32. Fixed. Regardless of which of the above fixing methods is employed, the fixing of the first lens 33 can be achieved and the mounting accuracy of the first lens 33 can be ensured. In a specific embodiment, in order to ensure the above accuracy, preferably, the first lens 33 is provided with a first firmware 332 and a second firmware 331. Therefore, the accuracy problem can be effectively improved.
  • the second firmware 331 and the first lens 33 are integrally formed in a specific arrangement, that is, the stability of the connection between the first lens 33 and the second firmware is ensured, and at the same time It also guarantees the relative accuracy between the two.
  • the first firmware 332 and the second firmware 331 are used, the first firmware 332 and the second firmware 331 and the first lens 33 are also integrally formed.
  • a telephoto lens provided in this embodiment is compared with a telephoto lens in the prior art.
  • the wall thickness of the first cylindrical body 31 is 0.3 mm, and the thickness of the lens module (including the first lens 33 and the first cylindrical body 31) is 5.0 mm.
  • the lens aperture value is F>2.0. Therefore, the lens module structure of the present application adopts a non-circular symmetrical structure form, which can fully utilize the module height, minimize the lens aperture value, improve the optical performance of the lens, and enhance the photographing experience.
  • the lens module provided in the embodiment of the present application increases the diameter of the first lens 33 by improving the structure of the first cylindrical body 31. Reduce the aperture value and enhance the imaging effect.
  • the embodiment of the present application further provides a mobile terminal, where the mobile terminal includes a mobile terminal body, and the periscope lens module disposed in the mobile terminal.
  • the mobile terminal can be a common mobile terminal such as a mobile phone or a tablet computer, and is not limited herein.
  • the lens module used in the above embodiment is a lens module according to the above embodiment, and at least one through gap is provided on the sidewall of the first cylindrical body, and the first part is cut when the notch is formed. A portion of the curved side wall of the cylinder. Therefore, the distance from the first lens to the notch is smaller than the distance from the first lens to the curved side wall on the first cylindrical body.
  • the thickness dimension of the mobile terminal affects the diameter of the first lens. Therefore, when placed, the notch is directed toward the rear case of the mobile terminal, so that the diameter of the first lens can be increased, thereby further increasing the diameter of the first lens. Reduce the aperture value of the lens module to improve the quality of imaging.

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Abstract

一种移动终端的潜望式镜头模组及移动终端。潜望式镜头模组包括：马达外壳（8）以及镜头（3）；镜头（3）包括：壳体、第一透镜（33）以及第二透镜，其中，壳体包括第一圆筒体（31）以及与第一圆筒体（31）连通的第二圆筒体（32），第一圆筒体（31）的侧壁上设置有至少一个贯穿侧壁的缺口（311）；第一透镜（33）固定在第一圆筒体（31）内，第二透镜固定在第二圆筒体（32）内。在实施方案中，在第一圆筒体（31）的侧壁上设置至少一个贯穿的缺口（311），在缺口（311）形成时，切削去第一圆筒体（31）上的弧形侧壁的一部分。在将镜头模组放置到移动终端内时，移动终端的厚度尺寸影响第一透镜（33）的直径，因此，在放置时，将缺口（311）朝向移动终端的后壳，从而可以增大第一透镜（33）的直径，减小镜头模组的光圈值，提高成像的质量。

Description

一种移动终端的潜望式镜头模组及移动终端
本申请要求2017年3月15日提交中国专利局、申请号为201710153828.4发明名称为“一种移动终端的潜望式镜头模组及移动终端”以及在2017年5月26日提交中国专利局、申请号为201710385488.8发明名称为“一种移动终端的潜望式镜头模组及移动终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及移动终端技术领域，尤其涉及一种移动终端的潜望式镜头模组及移动终端。
背景技术
当前手机、平板电脑等轻薄移动终端设备中的长焦镜头，横向尺寸(垂直光轴方向)往往由最前组透镜决定，为了实现轻薄化的目的，长焦镜头一般采用潜望式的折叠结构，因此镜头的横向尺寸决定了模组高度。而由于手机及平板电脑等移动终端受到厚度的影响，造成模组高度受到很大的影响，而模组高度和镜头的光圈值有强相关性，即模组高度决定了模组入光侧的透镜的直径，而模组入光侧的透镜的直径越大，镜头的光圈值越小，而镜头的光圈值直接关系着拍照的质量，例如解析力，低光照成像能力等，在光圈值越小时拍照的质量越好。但是在模组高度受到限定不能做大时，第一透镜的直径受到了限定，造成镜头的光圈值无法更小，极大的影响了成像的质量。
发明内容
本申请提供一种移动终端的潜望式镜头模组及移动终端，用以解决现有技术中存在拍摄成像质量较低的问题。
第一方面，本申请提供了一种移动终端的潜望式镜头模组，该模组包括：马达外壳以及镜头，且所述镜头位于所述马达外壳内；
所述镜头包括：壳体、第一透镜以及多个第二透镜，其中，所述壳体包括第一圆筒体以及与所述第一圆筒体连通的第二圆筒体，所述第一圆筒体的直径大于所述第二圆筒体，所述第一圆筒体的侧壁上设置有至少一个贯穿所述侧壁的缺口；所述第一透镜固定在所述第一圆筒体内，所述多个第二透镜固定在所述第二圆筒体内，且所述第一透镜、多个第二透镜、第一圆筒体及第二圆筒体共轴设置。
在上述实施方案中，在第一圆筒体的侧壁上设置至少一个贯穿的缺口，在该缺口形成时，切削去第一圆筒体上的弧形侧壁的一部分。因此，第一透镜到该缺口的距离小于第一透镜到第一圆筒体上的弧形侧壁的距离。在将镜头模组放置到移动终端内时，移动终端的厚度尺寸影响第一透镜的直径，因此，在放置时，将缺口朝向移动终端的后壳，从而可以增大第一透镜的直径，进而减小镜头模组的光圈值，提高成像的质量。
在一个具体的实施方案中，所述缺口的个数为两个，且两个缺口对称设置在所述第一圆筒体上。通过采用两个对称的缺口，更进一步的增大第一透镜容纳空间，从而可以更进一步的增大第一透镜的直径，进而提高成像的质量。
在一个具体的实施方案中，每个缺口处于第一圆筒体外侧的边缘设置为切面。即在第 一圆筒体的侧壁上缺口所在的位置再切削一部分形成一个平面，从而更进一步的可以提高容纳第一透镜的空间，进而增大第一透镜的直径，提高成像质量。
在一个具体的实施方案中，所述第一透镜的圆心到所述切面的距离不小于所述第一透镜的直径。第一透镜的圆心到所述切面的距离不小于所述第一透镜的半径。
避免第一透镜外凸到第一圆筒体外，保证了第一圆筒体能够保护到第一透镜。
在一个具体的实施方案中，所述模组还包括第一固件，所述第一固件内嵌于所述第二圆筒体内并用于固定所述第一透镜。通过采用第一固件对第一透镜进行固定。在具体设置该第一固件时，该第一固件为圆形，并且该第一固件远离第一透镜的一端设置有倒角，以便于第一固件插入到第二圆筒体内。
在一个具体的实施方案中，所述模组还包括至少一个第二固件，且所述至少一个第二固件一一对应插入到所述至少一个缺口并用于固定所述第一透镜。通过采用第二固件对第一透镜进行固定。
在一个具体的实施方案中，在所述第一透镜通过所述第一固件及所述第二固件固定时，所述第一固件、第二固件与所述第一透镜设置为一体结构。
在一个具体的实施方案中，每个缺口为凸字形缺口，且所述缺口开口较小的一端靠近所述第二圆筒体。方便第二固件插入到缺口内。
第二方面，提供了一种移动终端，该移动终端包括，移动终端主体，设置在所述移动终端内的上述任一项所述的移动终端的潜望式镜头模组。
第三方面，提供了一种镜头，该镜头应用于移动终端的潜望式镜头模组，所述镜头包括：壳体、第一透镜以及多个第二透镜，其中，所述壳体包括第一圆筒体以及与所述第一圆筒体连通的第二圆筒体，所述第一圆筒体的直径大于所述第二圆筒体，所述第一圆筒体的侧壁上设置有至少一个贯穿所述侧壁的缺口；所述第一透镜固定在所述第一圆筒体内，所述多个第二透镜固定在所述第二圆筒体内，且所述第一透镜、多个第二透镜、第一圆筒体及第二圆筒体共轴设置。
在一个具体的实施方案中，所述缺口的个数为两个，且两个缺口对称设置在所述第一圆筒体上。
在一个具体的实施方案中，每个缺口处于第一圆筒体外侧的边缘设置为切面。
在一个具体的实施方案中，所述第一透镜的圆心到所述切面的距离不小于所述第一透镜的直径。
在一个具体的实施方案中，所述模组还包括第一固件，所述第一固件内嵌于所述第二圆筒体内并用于固定所述第一透镜。
在一个具体的实施方案中，所述模组还包括至少一个第二固件，且所述至少一个第二固件一一对应插入到所述至少一个缺口并用于固定所述第一透镜。
在一个具体的实施方案中，在所述第一透镜通过所述第一固件及所述第二固件固定时，所述第一固件、第二固件与所述第一透镜设置为一体结构。
在一个具体的实施方案中，每个缺口为凸字形缺口，且所述缺口开口较小的一端靠近所述第二圆筒体。
在一个具体的实施方案中，所述镜头沿所述移动终端的宽度方向排列。
在一个具体的实施方案中，所述侧壁缺口中的一个缺口与所述移动终端的后壳平行。
第四方面，提供了一种移动终端，该移动终端包括，移动终端主体，设置在所述移动 终端内的上述任一项所述的镜头。
在上述实施方案中，在第一圆筒体的侧壁上设置至少一个贯穿的缺口，在该缺口形成时，切削去第一圆筒体上的弧形侧壁的一部分。因此，第一透镜到该缺口的距离小于第一透镜到第一圆筒体上的弧形侧壁的距离。在将镜头模组放置到移动终端内时，移动终端的厚度尺寸影响第一透镜的直径，因此，在放置时，将缺口朝向移动终端的后壳，从而可以增大第一透镜的直径，进而减小镜头模组的光圈值，提高成像的质量。
附图说明
图1为本申请提供的潜望式镜头模组的原理图；
图2为本申请提供的潜望式镜头模组与移动终端的配合示意图；
图3本申请中的镜头模组与现有技术中的镜头模组放置在移动终端内的对比示意图；
图4为本申请提供的一种潜望式镜头模组的结构示意图；
图5为本申请提供的另一种潜望式镜头模组的结构示意图；
图6为本申请提供的另一种潜望式镜头模组的结构示意图；
图7为本申请提供的另一种潜望式镜头模组的结构示意图；
图8为本申请提供的第一透镜与第一圆筒体的配合示意图；
图9为本申请提供的缺口的结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。
为了方便理解本实施例中的技术方案，下面结合附图首先对潜望式镜头模组进行说明。
如图1所示，图1示出了镜头模组的结构原理图。该镜头模组的结构包括：反射镜2或反射棱镜2.1、镜头3、滤光片4、图像传感器5、信号处理模块6及显示模块7。其成像原理为：成像光线1经过反射棱镜2或者反射镜2.1(反射棱镜2和反射镜2.1具有相同的作用)的折转进入镜头3，镜头3对光线1具有汇聚成像作用，通过滤光片4把光线1中的多余光波(例如除可见光外的光波)滤去，最后汇聚在图像传感器5；信号处理模块6控制图像传感器5对收集的光信号进行光电转换，经过处理后传递到显示模块7进行显示。
此外，除了上述硬件外，上述的镜头模组还包括：对焦马达，用于调整镜头位置拍摄不同距离物体；防抖马达，用于调整镜头位置，使拍摄物体不会因为例如用户手抖动等原因造成图像模糊。系统控制装置：包括拍照控制，用于设置拍照模式，例如黑白模式，高动态模式等；对焦控制，用于控制对焦马达实现自动对焦；防抖控制，用于控制防抖马达稳定拍摄图像。上述中的对焦马达、防抖马达、系统控制装置等与现有技术中的移动终端中的镜头模组中的功能相近似，在此不再详细赘述。
在具体使用时，具体的如图2所示，该图示出了镜头模组与移动终端的配合示意图，镜头模组横置在移动终端内，即反射镜2或反射棱镜2.1、镜头3、滤光片4(光线在成像镜头模组的传播方向)沿移动终端的宽度方向排列。并且在具体设置时，马达(对焦马达)的外壳8固定在移动终端内，镜头3与马大外壳8之间具有一定的调焦间隙。由于镜镜头 模组的光圈值直接关系着拍照的质量，例如解析力，低光照成像能力等，而光圈值由位于镜头模组前端的透镜的直径大小决定，因此，在本申请中，对镜头模组中的镜头进行改善，以达到提高成像质量的效果。
具体的，本申请对潜望式镜头模组中的镜头的结构进行改善，该镜头在具体设置时，镜头位于放置在马达(对焦马达)外壳内；其中，该镜头包括一个壳体、第一透镜33以及多个第二透镜。具体的，如图4所示，该壳体包括一个直径较大的第一圆筒体31以及一个直径较小的第二圆筒体32，且第一圆筒体31及第二圆筒体32连通且共轴设置，第一透镜33设置在直径较大的的第一圆筒体31内，多个第二透镜设置在第二圆筒体32内，且第一透镜33与多个第二透镜共轴设置，其中，第一透镜33为入光侧的透镜，即第一透镜33接收反射光线1后传播给第二透镜。一并参考图2及图3，在第一透镜33作为入光侧的透镜时，光圈值由第一透镜33的大小而定，在第一透镜33的直径越大时，光圈值越小，成像质量越好。因此，为了增大第一透镜33的直径，需最大限度的利用马达外壳内的空间，在本申请中，为了增大第一透镜33的直径，采用在第一圆筒体31的侧壁上设置至少一个贯穿第一圆筒体31的缺口311，该缺口311为在第一圆筒体31的侧壁上切除一部分形成的缺口，因此，第一透镜33的中心到第一圆筒体31外侧壁上有缺口的位置距离小于第一透镜33的中心到第一圆筒体31上外侧壁没有缺口位置的距离。一并参考图2，在具体放置镜头时，缺口朝向移动终端的厚度方向，因此，采用上述缺口的方式，相当于削减了第一圆筒体31在移动终端厚度的方向上的尺寸，而移动终端厚度方向上的尺寸为限定第一圆筒体31大小的主要尺寸，因此，在缺口削减第一圆筒体31在移动终端后端方向的尺寸后，第一圆筒体31的尺寸可以做的更大，进而第一透镜33可以做的更大。
为了方便理解本申请中提供的镜头模组的原理，下面结合附图3对其进行详细的说明。其中，图3为本申请中的镜头模组与现有技术中的镜头模组放置在移动终端内的对比示意图；位于左侧的镜头模组为本申请的镜头模组，该镜头模组的第一圆筒体31上仅采用了一个缺口311，位于右侧的镜头模组为第一圆筒体上不设置缺口的镜头模组；图中的两条横线为两条平行的辅助线，两条辅助线用于帮助理解镜头模组在移动终端厚度方向上的占用的宽度尺寸，其中，两条平行线分别与两个圆筒体相切，且两条平行线之间的距离c为两个不同的镜头模组在移动终端厚度方向占用的宽度。由附图3可以直观的看出，本申请中的镜头模组中，c＝第一透镜的直径d+第一圆筒体31的一个侧壁厚度e+第一透镜的侧壁到缺口311的距离f；而右侧的镜头模组中，c＝镜头直径D+圆筒体的侧壁厚度E*2。在本申请中的第一圆筒体31的侧壁厚度与右侧的圆筒体的侧壁厚度一致时，由于缺口311为在第一圆筒体31的侧壁上切除一部分结构形成，因此，f＜E，从而可以实现在数值c(即镜头在移动终端厚度方向占用的宽度)不变时，本申请中的第一透镜33的直径d大于右侧第一透镜的直径D的值，因此，在本申请提供的技术方案中，第一圆筒体31采用非圆对称的结构形式，可以有效的增大第一透镜33的直径，从而充分利用马达外壳的内部空间，减小镜头光圈值，提升镜头光学性能，提升拍照体验。
为了详细说明本申请中设置的缺口的情况，下面结合具体的附图以及具体的实施例对其进行详细的描述。
实施例1
如图4所示，在本实施例中，缺口311的个数为两个，且两个缺口311对称设置在第一圆筒体31上，在具体设置时，两个缺口为在第一圆筒体31上切除一部分筒壁形成，因 此，在镜头放置在移动终端内时，两个缺口平行于移动终端的后壳，一并参考图3，在采用上述方式放置时，可以使第一透镜33的直径d可以相比与没有缺口的镜头模组中的第一透镜的直径增大2*(e-f)。
作为一个极限，f＝0，此时，第一透镜33的直径d＝c，此时，第一透镜33的圆周面与缺口侧壁与第一圆筒体31的外侧壁形成的两个尖端所在的平面齐平，从而更进一步的降低光圈值，提高成像的效果。
此外，应当理解的是，在本实施例中，缺口311的个数不仅限于两个，还可以为四个、六个等任意个数的缺口311，如图5所示，示出了采用四个缺口311的情况。在采用多个缺口311时，方便镜头模组放入到移动终端内时的固定，即采用任意的两个相对的缺口311与移动终端配合即可。
在第一圆筒体31的侧壁上设置缺口时，第一圆筒体31围成一个非圆的空间，在第一透镜33放置到第一圆筒体31内，由于加工误差以及装配误差会出现偏心的情况，为了保证第一透镜33的安装精度，较佳的，参考图8，镜头模组还包括一个第一固件332，第一固件332内嵌于第二圆筒体32内并用于固定所述第一透镜33。即第一透镜33在放入到第一圆筒体31内时，第一透镜33朝向第二圆筒体32的一侧连接了一个第一固件332，该第一固件332用于卡装在第二圆筒体32内并将第一透镜33固定，由于第二圆筒体32的侧壁是一个完整的圆筒形侧壁，因此，第一固件332插入时，可以稳定的将第一透镜33固定，并且保证第一透镜33的安装精度，避免出现偏心的情况出现。此外，为了方便安装，作为一个具体的方案，第一固件332为圆形，并且该第一固件332远离第一透镜33的一端设置有倒角，通过该倒角结构，可以很方便的将第一固件332插入到第二圆筒体32内。
此外，对于第一固件332，在具体设置时，该第一固件332与第一透镜33采用一体成型的方式形成，即保证了第一透镜33与第一固件332之间连接的稳定性，同时，也保证了两者之间的相对精度。
实施例2
如图6所示，本申请实施例提供的每个缺口311处于第一圆筒体31外侧的边缘设置为切面312。即每个缺口311与一个切面312一一对应，以一个缺口311以及该缺口311对应的切面312为例，可以理解为，在第一圆筒体31的侧壁上切除一部分形成一个切面312，之后，在切面312上开设缺口311，该缺口311与第一圆筒体31的中空部分连通，或者，也可以理解为，在第一圆筒体31的侧壁上开设一个缺口311，之后，在第一圆筒体31的侧壁上切除一部分形成切面312，且在切除时经过该缺口311，从而形成每个缺口311与切面312一一对应的一个关系。
在具体设置时，第一透镜33的圆心到切面312的距离不小于所述第一透镜33的直径，从而保证第一透镜33一直位于第一圆筒体31内，不会外凸到第一圆筒体31外，以保证第一透镜33的安全。如图7所示，在一个具体的实施方案中，作为一个极端的情况，第一透镜33的圆心到切面312的距离等于第一透镜33的直径，此时，每个切面312均为第一透镜33的切面。在采用该结构时，可以最大限度的利用马达外壳内的空间，即最大限度的增大第一透镜33的直径，从而降低光圈值，提高成像的效果。
应当理解的是，无论采用上述哪个方案，在具体设置时，该缺口311还可以作为用于固定第一透镜33的结构。在具体设置时，如图8所示，镜头模组还包括至少一个第二固件331，且至少一个第二固件331一一对应插入到至少一个缺口311并用于固定第一透镜 33。在装配时，沿缺口311的开口方向插入第一透镜33，在插入时，第一透镜33上设置的第二固件331与缺口311配合将第一透镜固定。在具体设置时，为了方便固定第一透镜33可以对配合的第二固件331及缺口311的结构进行改善。如在一个具体的实施方案中，第二固件331朝向缺口311的一面设置了倒角，或者对应的在缺口311处设置倒角，以便于第二固件331插入到缺口311内。另外，为了避免第一透镜33插入过程中，缺口311与第二固件331之间摩擦距离过大造成装配困难，在另一个具体的实施方案中，该该缺口311可以采用台阶状的缺口311，如图9所示，每个缺口311为凸字形缺口，具体的，该缺口311的形状为一个“凸”字形，但对于该“凸”字形的边界不进行严格的限定，如图9所示，位于第一圆筒体31的入光侧的一端，该缺口311在第一圆筒体31的入光侧的一端形成一个开口。且缺口311开口较小的一端靠近所述第二圆筒体32。即位于第一圆筒体31端口处的缺口开口较大，靠近第二圆筒体32的一侧缺口开口较小，第二固件331用于与开口较小的缺口处配合。在插入第一透镜33时，开口较大的缺口与第二固件331之间具有足够的间隙使得第一透镜33放入到第一圆筒体31内，仅需在最后的部位，在第一透镜33需要固定的位置，第一透镜33与缺口才会出现卡合的情况。从而方便了部件的安装。
另外，除了上述第二固件331外，本实施例提供的第一透镜33还可以采用实施例1中提到的第一固件332来实现对第一透镜33的固定。即在本实施例中，可以采用通过第二固件331与缺口311的配合实现对第一透镜33的固定，也可以采用第一固件332与第二圆筒体32的配合实现对第一透镜33的固定。无论采用上述哪种固定方式，均可实现对第一透镜33的固定并且保证第一透镜33的安装精度。在一个具体的实施方案中，为了保证上述精度，较佳的，第一透镜33上即设置有第一固件332又设置有第二固件331。从而可以有效的改善精度问题。
此外，对于第二固件331，在具体设置时，该第二固件331与第一透镜33采用一体成型的方式形成，即保证了第一透镜33与第二固件之间的连接的稳定性，同时，也保证了两者之间的相对精度。同理，在采用第一固件332及第二固件331时，第一固件332及第二固件331与第一透镜33也采用一体成型的结构方式。
为了方便理解本实施例提供的镜头模组的效果，将本实施例提供的一个长焦镜头与现有技术中的一个长焦镜头进行对比，在本实施例中长焦镜头焦距f＝10.0mm，第一圆筒体31的壁厚0.3mm，镜头模组(包含第一透镜33和第一圆筒体31)的厚度为5.0mm。采用本申请的方案时，可以使镜筒在模组高度方向(移动终端的厚度方向)上不占用尺寸，则镜头光圈值F＝2.0，而现有技术中的镜头模组在采用圆对称结构，镜头光圈值F>2.0。因此采用本申请的镜头模组结构，即采用非圆对称的结构形式，能够充分利用模组高度，最大限度减小镜头光圈值，提升镜头光学性能，提升拍照体验。
通过上述实施例1及实施例2的描述可以看出，在本申请实施例中提供的镜头模组，通过改善第一圆筒体31的结构，进而增大第一透镜33的直径，从而实现降低光圈值，提升成像效果。
此外，本申请实施例还提供了一种移动终端，该移动终端包括移动终端主体，设置在所述移动终端内的上述潜望式镜头模组。
该移动终端可以为手机、平板电脑等常见的移动终端，在此不进行限定。在上述移动终端中，其采用的镜头模组为上述实施例中的镜头模组，通过在第一圆筒体的侧壁上设置至少一个贯穿的缺口，在该缺口形成时，切削去第一圆筒体上的弧形侧壁的一部分。因此， 第一透镜到该缺口的距离小于第一透镜到第一圆筒体上的弧形侧壁的距离。在将镜头模组放置到移动终端内时，移动终端的厚度尺寸影响第一透镜的直径，因此，在放置时，将缺口朝向移动终端的后壳，从而可以增大第一透镜的直径，进而减小镜头模组的光圈值，提高成像的质量。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (13)

  1. 一种镜头，所述镜头应用于移动终端的潜望式镜头模组，其特征在于，
    所述镜头包括：壳体、第一透镜以及多个第二透镜，其中，所述壳体包括第一圆筒体以及与所述第一圆筒体连通的第二圆筒体，所述第一圆筒体的直径大于所述第二圆筒体，所述第一圆筒体的侧壁上设置有至少一个贯穿所述侧壁的缺口；所述第一透镜固定在所述第一圆筒体内，所述多个第二透镜固定在所述第二圆筒体内，且所述第一透镜、多个第二透镜、第一圆筒体及第二圆筒体共轴设置。
  2. 如权利要求1所述的镜头，其特征在于，所述缺口的个数为两个，且两个缺口对称设置在所述第一圆筒体上。
  3. 如权利要求1所述的镜头，其特征在于，每个缺口处于第一圆筒体外侧的边缘设置为切面。
  4. 如权利要求3所述的镜头，其特征在于，所述第一透镜的圆心到所述切面的距离不小于所述第一透镜的半径。
  5. 如权利要求1～4任一项所述的镜头，其特征在于，所述模组还包括第一固件，所述第一固件内嵌于所述第二圆筒体内并用于固定所述第一透镜。
  6. 如权利要求1～5任一项所述的的镜头，其特征在于，所述模组还包括至少一个第二固件，且所述至少一个第二固件一一对应插入到所述至少一个缺口并用于固定所述第一透镜。
  7. 如权利要求6所述的镜头，其特征在于，在所述第一透镜通过所述第一固件及所述第二固件固定时，所述第一固件、第二固件与所述第一透镜设置为一体结构。
  8. 如权利要求7所述的镜头，其特征在于，每个缺口为凸字形缺口，且所述缺口开口较小的一端靠近所述第二圆筒体。
  9. 如权利要求1-8所述的镜头，其特征在于，所述镜头沿所述移动终端的宽度方向排列。
  10. 如权利要求1-9所述的镜头，其特征在于，所述侧壁缺口中的一个缺口与所述移动终端的后壳平行。
  11. 一种移动终端的潜望式镜头模组，其特征在于，包括：马达外壳以及如权利要求1-10所述的任一项所述镜头，其中所述镜头位于所述马达外壳内。
  12. 一种移动终端，其特征在于，包括，移动终端主体，设置在所述移动终端内的如权利要求1-10任一项所述的镜头。
  13. 一种移动终端，其特征在于，包括，移动终端主体，设置在所述移动终端内的如权利要求11所述的移动终端的潜望式镜头模组。
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