WO2022135251A1 - 摄像头模组和电子设备 - Google Patents

摄像头模组和电子设备 Download PDF

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Publication number
WO2022135251A1
WO2022135251A1 PCT/CN2021/138635 CN2021138635W WO2022135251A1 WO 2022135251 A1 WO2022135251 A1 WO 2022135251A1 CN 2021138635 W CN2021138635 W CN 2021138635W WO 2022135251 A1 WO2022135251 A1 WO 2022135251A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
camera module
coil
board
magnetic member
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2021/138635
Other languages
English (en)
French (fr)
Inventor
李华聪
何云发
杨泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
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 Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to EP21909247.5A priority Critical patent/EP4270919A4/en
Priority to JP2023538153A priority patent/JP7690032B2/ja
Publication of WO2022135251A1 publication Critical patent/WO2022135251A1/zh
Priority to US18/340,010 priority patent/US12401873B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • 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
    • H04N23/51—Housings
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • 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
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of flexible or folded printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10121—Optical component, e.g. opto-electronic component

Definitions

  • the application belongs to the technical field of cameras, and in particular relates to a camera module and an electronic device.
  • the present application aims to provide a camera module and an electronic device to at least solve one of the problems of the background art.
  • an embodiment of the present application proposes a camera module, comprising: a housing, a housing cavity is provided in the housing; a lens assembly, the lens assembly is movably arranged in the housing cavity; a circuit board , the circuit board is connected to the lens assembly; the head assembly, the head assembly includes: a support plate, at least a part of the support plate is movably arranged in the accommodating cavity, the lens assembly and the The circuit board is arranged on the support plate; a first driving component is arranged on the housing, and at least a part of the first driving component is connected with the supporting plate to drive the edge of the supporting plate The second drive assembly is arranged on the support plate, and at least a part of the second drive assembly is connected with the support plate to drive the support plate to move in the second direction.
  • an embodiment of the present application provides an electronic device, including the above-mentioned camera module.
  • the support plate is connected to the lens assembly and the circuit board respectively, and the first drive assembly and the second drive assembly are used to cooperate to drive the support plate to move in the first direction and the second direction.
  • the support plate can drive the lens assembly and the circuit board to move synchronously, which can not only prevent the lens assembly from pulling the circuit board during the movement process, but also reduce the space occupied by the overall structure of the camera module, and can also Improve the flexibility of the support plate and expand the range of activities of the support plate.
  • FIG. 1 is a cross-sectional view of an anti-shake gimbal of the related art
  • FIG. 2 is a top view of a camera module according to an embodiment of the present application.
  • FIG. 3 is a partial exploded view of a camera module according to an embodiment of the present application.
  • FIG. 4 is an assembly schematic diagram of a first drive assembly, a second drive assembly and a support plate of a camera module according to an embodiment of the present application;
  • Fig. 5 is a sectional view along line A-A in Fig. 2;
  • FIG. 6 is a cross-sectional view taken along line B-B in FIG. 2 .
  • Housing 10 accommodating cavity 11; bracket 12; cover 13;
  • circuit board 30 first board body 31; second board body 32;
  • support plate 40 main plate 41; side plate 42;
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, and may be internal communication between two elements.
  • installed may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, and may be internal communication between two elements.
  • the present application is an invention made by the inventor based on the following facts.
  • FIG. 1 shows an anti-shake gimbal in the related art.
  • the camera module in the anti-shake pan/tilt adopts a suspended structure, and the camera module is driven by the cooperation of the diagonally connected cross support shaft 1 , the electromagnetic drive system and the Hall sensing element 2 . Movement and position feedback to achieve the purpose of module anti-shake.
  • the electromagnetic drive system includes a coil 3 and a magnet 4 that cooperate with each other.
  • the camera body is nested in the pan/tilt, and the electromagnetic drive system is arranged outside the camera body. That is to say, due to its unique suspension system and drive system, the overall size of the entire gimbal is large, which causes great trouble to the structural stacking and design of the camera module.
  • the camera module 100 includes: a casing 10 , a lens assembly 20 , a circuit board 30 and a pan/tilt assembly.
  • the pan/tilt assembly includes: a support plate 40 , a first drive assembly 50 and a second drive assembly 60 .
  • the housing 10 is provided with an accommodating cavity 11 , the lens assembly 20 is movably disposed in the accommodating cavity 11 , the circuit board 30 is connected with the lens assembly 20 , and at least a part of the support plate 40 is movably disposed in the accommodating cavity 11 .
  • the first driving component 50 is arranged on the housing 10, and at least a part of the first driving component 50 is connected with the supporting plate 40 to drive the supporting plate 40 to move in the first direction
  • the second drive assembly 60 is disposed on the support plate 40 , and at least a part of the second drive assembly 60 is connected with the support plate 40 to drive the support plate 40 to move in the second direction.
  • the camera module 100 is mainly composed of a casing 10 , a lens assembly 20 mounted on the casing 10 , a circuit board 30 electrically connected to the lens assembly 20 , and a pan/tilt assembly.
  • the pan/tilt assembly is mainly composed of a support plate 40 capable of limiting the lens assembly 20 and the circuit board 30 , a first drive assembly 50 and a second drive assembly 60 capable of driving the support plate 40 .
  • the housing 10 is the basic component of the camera module 100, and the housing 10 can provide an installation basis for other components of the camera module 100, and play the role of protecting parts or components such as the drive assembly.
  • the housing 10 has an accommodating cavity 11 , and the accommodating cavity 11 can play a role of accommodating the lens assembly 20 .
  • the camera module 100 may be tilted due to shaking, which will eventually affect the shooting quality.
  • the lens assembly 20 is movable relative to the housing 10 , and the lens assembly 20 is driven to move by the first drive assembly 50 and the second drive assembly 60 to compensate for the jitter of the camera module 100 . Tilt to implement effective anti-shake on the camera module 100 .
  • the lens assembly 20 and the circuit board 30 can move synchronously with the support plate 40, and the support plate 40 can be used as a reinforcing plate. Therefore, the support plate 40 is driven to move by the first drive assembly 50 and the second drive assembly 60 At the same time, the lens assembly 20 and the circuit board 30 can move at the same time, so as to avoid the problem of pulling the circuit board 30 caused by the relative movement of the lens assembly 20 and the circuit board 30 .
  • the first drive assembly 50 and the second drive assembly 60 indirectly drive the lens assembly 20 and the circuit through the support plate 40 .
  • the board 30, on the one hand, the circuit board 30 and the lens assembly 20 can move synchronously, which avoids pulling the camera body caused by the flexible circuit board in the related art, and the lens assembly 20 according to the embodiment of the present application has a longer moving distance and a larger rotation angle On the other hand, it avoids the defect that the overall structure of the camera module occupies a large space caused by installing the electromagnetic drive system on the camera body in the related art.
  • first drive assembly 50 can drive the support plate 40 to move in the first direction
  • second drive assembly 60 can drive the support plate 40 to move in the second direction.
  • the first direction and the second direction can be in the same direction, Reverse and intersecting relationships are not limited here.
  • the first drive assembly 50 and the second drive assembly 60 may operate simultaneously or independently, which is not limited herein.
  • the type of movement of the support plate 40 along the first direction and/or the second direction includes movement and rotation, which are not limited herein.
  • any one of the first drive assembly 50 and the second drive assembly 60 includes but is not limited to a motor, and can also be other drive structures capable of realizing the movement of the support plate 40, such as a drive motor, including a drive motor and a drive motor matched with the drive motor. Transmission mechanism, etc.
  • the support plate 40 is connected to the lens assembly 20 and the circuit board 30 respectively, and the first drive assembly 50 and the second drive assembly 60 are used to cooperate, and the support plate 40 is driven in the The first direction and the second direction are active.
  • the support plate 40 can drive the lens assembly 20 and the circuit board 30 to move synchronously, which not only prevents the lens assembly 20 from pulling the circuit board 30 during the movement, but also reduces the overall structure of the camera module 100
  • the space is occupied, the flexibility of the support plate 40 can be improved, and the movable range of the support plate 40 can be expanded.
  • the housing 10 includes: a bracket 12 and a cover plate 13 , the bracket 12 is provided with an accommodating cavity 11 with a first side opening, and the lens assembly 20 can be arranged in the accommodating cavity 11 and is movable relative to the bracket 12 , the circuit board 30 can be connected with the lens assembly 20 through the opening.
  • the cover plate 13 is arranged on the first side of the bracket 12, and the first driving component 50 is arranged on the cover plate 13.
  • a part of the first driving component 50 can be arranged on the cover plate 13, and another part of the first driving component 50 can be arranged on the cover plate 13 It is arranged on the support plate 40 and can move relative to the cover plate 13 .
  • the support plate 40 includes a main plate 41 and a side plate 42 , the lens assembly 20 and the circuit board 30 are arranged on the first side of the main plate 41 , and at least a part of the first driving assembly 50 is arranged on the main plate 41 .
  • the side plate 42 is disposed on the first side of the main board 41 , and the second driving component 60 is disposed on the side plate 42 . That is, by dividing the support plate 40 into the main plate 41 and the side plate 42 , the installation of the first driving assembly 50 and the second driving assembly 60 is facilitated.
  • the main plate 41 and the side plate 42 are substantially vertical.
  • the camera module 100 is assembled in the up-down direction, the direction adjacent to the observer is the front side, and the direction facing away from the observer is the rear side.
  • the main board 41 is substantially a rectangular plate and extends in the front-rear direction.
  • the line parallel to the length direction of the main board 41 is called the Y axis
  • the line parallel to the width direction of the main board 41 is the X axis
  • the line perpendicular to the plane of the main board 41 is the Z axis.
  • Various parts or components of the camera module 100 may be assembled substantially along the Z-axis direction.
  • the lens assembly 20 and the circuit board 30 are located above the main board 41
  • the side plate 42 is located above the main board 41 .
  • the lower end of the side plate 42 is connected to the long side of the main plate 41, and the upper end of the side plate 42 extends upward along the Z-axis.
  • Disposing the first drive assembly 50 on the main board 41 can realize the rotation of the support plate 40 around the X axis or the Y axis direction
  • disposing the second drive assembly 60 on the side plate 42 can realize the rotation of the support plate 40 around the X axis or the Y axis direction .
  • the circuit board 30 includes: a first board body 31 and a second board body 32 , the first board body 31 is arranged between the lens assembly 20 and the main board 41 , and the lens assembly 20 is arranged on the first side of the first board body 31 , the second side of the first board 31 is connected to the first side of the main board 41 , the second board 32 is arranged on the first side of the main board 41 , and the second board 32 is electrically connected to the first board 31 .
  • the second board body 32 may be a flexible circuit board, a wire, or the like.
  • the first plate body 31 is located at the rear side of the second plate body 32 and is located below the lens assembly 20 .
  • the lower side of the first board body 31 and the lower side of the second board body 32 can be respectively connected to the upper side of the main board 41 .
  • Dividing the circuit board 30 into the first board body 31 and the second board body 32 can facilitate the connection between the circuit board 30 and the lens assembly 20 and the lens assembly 20 on the premise that the circuit board 30 and the main board 41 can move synchronously. activity.
  • the first board body 31 is a circuit board
  • the second board body 32 is a flexible circuit board.
  • the second plate body 32 can be folded along the S shape, and when the lens assembly 20 is moved, the second plate body 32 can be synchronously extended and retracted, thereby expanding the range of movement of the lens assembly 20 .
  • the second plate body 32 is disposed opposite to the first drive assembly 50, and the outer periphery of the second plate body 32 is provided with a second drive assembly 60, which can make full use of the space below and the outer periphery of the second plate body 32 and avoid the When the first driving assembly 50 and the second driving assembly 60 are placed under the lens assembly 20 , the overall structure size of the camera module 100 becomes large, which is caused by the defect.
  • the housing 10 further includes a flexible circuit board receiving portion 70, as shown in FIG. 3, the flexible circuit board receiving portion 70 may be located on the front side of the bracket 12, the second board body 32, the first driving assembly 50 and the first The two drive assemblies 60 can be located in the flexible circuit board storage portion 70 at the same time, so that the storage space of the flexible circuit board can be fully utilized.
  • the shape of the first board body 31 corresponds to the shape of the first side surface of the lens assembly 20
  • the main board 41 corresponds to the shape of the first board body 31 and the second board body 32, which improves the The stability and reliability of the overall structure when the lens assembly 20 and the circuit board 30 move.
  • the first driving assembly 50 includes: a first magnetic member 51 and a first coil 52, one of the first magnetic member 51 and the first coil 52 is connected to the cover plate 13, and the first magnetic The other one of the element 51 and the first coil 52 is connected to the main board 41 , and the first coil 52 can move relative to the first magnetic element 51 to drive the main board 41 after being energized.
  • the first magnetic member 51 can be disposed on the cover plate 13, and the first coil 52 can be disposed on the main plate 41; or, the first magnetic member 51 can be disposed on the support plate 40, and the first coil 52 can be disposed on the cover plate 13 on.
  • the first magnetic member 51 is connected to the upper end surface of the cover plate 13
  • the first coil 52 is connected to the upper end surface of the main board 41 and the lower end surface of the second plate body 32 is connected to the first magnetic member. 51 to match.
  • the support plate 40 may be a non-magnetically conductive rigid material.
  • the first magnetic member 51 and the first coil 52 cooperate. According to Fleming's left-hand rule, a force perpendicular to the direction of the magnetic field will be generated in the energized first coil 52. The force acts on the When the mainboard 41 is on, the mainboard 41 can be controlled to move.
  • the first magnetic member 51 is a plate-like structure, and the first magnetic member 51 is attached to the cover plate 13 . That is to say, the first magnetic member 51 can be a flat coil, which can effectively save space.
  • the first magnetic member 51 is attached to the cover plate 13 to facilitate the assembly of the first magnetic member 51 .
  • the first magnetic member 51 may also be installed on the cover plate 13 by other installation methods, such as detachable installation methods such as snap connection and plug connection.
  • the first coil 52 is two annular coils 521 , and the two annular coils 521 are provided on the main board 41 at intervals.
  • the number of coils 521 is two or more, force balance can be effectively ensured.
  • the two loop coils 521 may be a first loop coil and a second loop coil, respectively, and the first loop coil and the second loop coil may share a magnet.
  • the rotation of the main board 41 around a certain direction can be realized by controlling the energization conditions in the first toroidal coil and the second toroidal coil.
  • the second plate body 32 is a folded S-shaped flexible plate, the lower end surface of the second plate body 32 is substantially a rectangular piece, the long side of the second plate body 32 extends along the Y-axis direction, and the second plate body 32 extends along the Y-axis direction.
  • the broad side of 32 extends along the X-axis direction, and the second plate body 32 can be folded approximately along the Z-axis direction.
  • the first loop coil and the second loop coil are located on the lower end surface of the second plate body 32 and are spaced apart along the length direction of the second plate body 32 . Both the first loop coil and the second loop coil are elliptical pieces extending substantially along the width direction of the second plate body 32 .
  • the supporting plate 40 rotates around the X-axis direction, and when the acting forces generated on the first toroidal coil and the second toroidal coil are different, the supporting plate 40 rotates around the Y-axis axis rotation.
  • force equalization can be ensured.
  • the camera module 100 further includes a first position feedback element 80 , and the movement position of the main board 41 can be fed back through the first position feedback element 80 .
  • the first position feedback element 80 may be a Hall chip or the like, which is not limited herein.
  • the first position feedback element 80 may be installed at the hollow structure of the toroidal coil, which is beneficial to saving space.
  • each side plate 42 there are two side plates 42 , the two side plates 42 are oppositely disposed on the first side of the main board 41 , and each side plate 42 is respectively provided with a second driving assembly 60 .
  • the two side boards 42 may be spaced apart along the width direction of the main board 41 , and each side board 42 extends along the length direction of the main board 41 .
  • the second drive assembly 60 includes: a second magnetic member 61 and a second coil 62 , one of the second magnetic member 61 and the second coil 62 is connected to the side plate 42 , the second magnetic member 61 and the second coil 62 The other one is connected to the housing 10 , and the second coil 62 can move relative to the second magnetic member 61 to drive the side plate 42 after being energized.
  • the second magnetic member 61 may be provided on the side plate 42, and the second coil 62 may be provided on the housing 10; or, the second magnetic member 61 may be provided on the housing 10, and the second coil 62 may be provided on the side on board 42.
  • the second magnetic member 61 is disposed on the inner side wall of the housing 10
  • the second coil 62 is disposed on the side of the side plate 42 adjacent to the second plate body 32 , and cooperates with the second magnetic member 61 .
  • the second coil 62 After the second coil 62 is energized, it can move relative to the second magnetic member 61 to drive the second plate body 32 .
  • the principle of cooperation between the second magnetic member 61 and the second coil 62 is the same as the principle of cooperation between the first magnetic member 51 and the first coil 52 , and details are not repeated here.
  • the camera module 100 further includes a second position feedback element 90 , and the movement position of the side plate 42 can be fed back through the second position feedback element 90 .
  • the second position feedback element 90 may be a Hall chip or the like, which is not limited herein.
  • the second position feedback element 90 can be installed at the hollow structure of the loop coil, which is beneficial to saving space.
  • first drive assembly 50 and the second drive assembly 60 can work independently or cooperate with each other.
  • first drive assembly 50 and the second drive assembly 60 cooperate, both the rotation of the support plate 40 around the X axis and the rotation of the support shaft around the Y axis can be realized.
  • the support plate 40 is driven to move, thereby realizing The support plate 40 rotates around the X axis.
  • the directions of F1 and F3 are represented by [F1, F3]; the directions of F2 and F4 are the same, and they are represented by [F2, F4].
  • the supporting plate 40 is driven to rotate around the Y axis.
  • the second magnetic member 61 is a plate-like structure, and the second magnetic member 61 is attached to the side plate 42, which has the advantages of convenient installation and saving installation space.
  • the embodiment of the present application further provides an electronic device, including the camera module 100 of any of the foregoing embodiments.
  • the lens assembly 20 can be electrically connected to the main board 41 of the electronic device through the circuit board 30 , thereby realizing power supply to the lens assembly 20 .
  • the electronic device may be a smart phone, a tablet computer, a wearable device, etc., which is not limited herein.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Studio Devices (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

本申请公开了一种摄像头模组和电子设备，摄像头模组包括：壳体，壳体内设有容纳腔；镜头组件，镜头组件可活动地设在容纳腔内；线路板，线路板与镜头组件连接；云台组件，包括：支撑板，支撑板的至少一部分可活动地设于容纳腔内，镜头组件和线路板设于支撑板；第一驱动组件，第一驱动组件设于壳体，第一驱动组件的至少一部分与支撑板连接以驱动支撑板沿第一方向活动；第二驱动组件，第二驱动组件设于支撑板，第二驱动组件的至少一部分与支撑板连接以驱动支撑板沿第二方向活动。

Description

摄像头模组和电子设备
相关申请的交叉引用
本申请主张在2020年12月23日在中国提交的中国专利申请号202011542405.X的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于摄像头技术领域，具体涉及一种摄像头模组和电子设备。
背景技术
摄像头在电子设备上的应用越来越广泛，特别是在手机上的应用，使得摄像头成为各手机的一个热门卖点。拍照和录像时手持或走动产生的抖动使得图像模糊，成像质量大大下降。在5G时代，视频的创作和分享将迎来全新一轮的爆发，人们对于拍摄视频的设备要求也变得越来越高。这就要求电子设备要具备良好的防抖性能，补偿抖动时产生的图像偏移，提供画面的稳定性和清晰度。目前防抖云台的设计体积较大，对电子设备的硬件架构设计要求较高。
发明内容
本申请旨在提供一种摄像头模组和电子设备，至少解决背景技术的问题之一。
第一方面，本申请实施例提出了一种摄像头模组，包括：壳体，所述壳体内设有容纳腔；镜头组件，所述镜头组件可活动地设在所述容纳腔内；线路板，所述线路板与所述镜头组件连接；云台组件，所述云台组件包括：支撑板，所述支撑板的至少一部分可活动地设于所述容纳腔内，所述镜头组件和所述线路板设于所述支撑板；第一驱动组件，所述第一驱动组件设于所述壳体，所述第一驱动组件的至少一部分与所述支撑板连接以驱动所 述支撑板沿第一方向活动；第二驱动组件，所述第二驱动组件设于所述支撑板，所述第二驱动组件的至少一部分与所述支撑板连接以驱动所述支撑板沿第二方向活动。
第二方面，本申请实施例提出了一种电子设备，包括上述的摄像头模组。
在本申请的实施例中，将支撑板分别与镜头组件和线路板连接，并采用第一驱动组件和第二驱动组件相配合，驱动支撑板在第一方向以及第二方向活动。在支撑板活动时，支撑板能够带动镜头组件和线路板同步活动，不仅能够避免镜头组件在活动过程中对线路板造成拉扯，而且还能够缩小摄像头模组的整体结构所占空间，并且还能够提高支撑板的灵活度，扩大支撑板的活动范围。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是相关技术的防抖云台的剖面图；
图2是根据本申请实施例的摄像头模组的俯视图；
图3是根据本申请实施例的摄像头模组的局部爆炸图；
图4是根据本申请实施例的摄像头模组的第一驱动组件、第二驱动组件和支撑板的装配示意图；
图5是沿图2中A-A线的剖面图；
图6是沿图2中B-B线的剖面图。
附图标记：
摄像头模组100；
壳体10；容纳腔11；支架12；盖板13；
镜头组件20；
线路板30；第一板体31；第二板体32；
支撑板40；主板41；侧板42；
第一驱动组件50；第一磁性件51；第一线圈52；线圈521；
第二驱动组件60；第二磁性件61；第二线圈62；
柔性线路板收纳部70；
第一位置反馈元件80；
交叉支撑轴1；霍尔感应元件2；线圈3；磁铁4。
具体实施方式
下面将详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接； 可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
本申请是发明人基于以下事实作出的发明创造。
图1显示了相关技术中的一种防抖云台。
如图1所示，根据相关技术的防抖云台中的摄像头模组采用悬空结构，通过对角线相连的交叉支撑轴1、电磁驱动系统和霍尔感应元件2的配合来带动摄像头模组的移动以及位置反馈，进而达到模组防抖的目的。其中，电磁驱动系统包括相互配合的线圈3和磁铁4。
从图1可以看出，摄像头本体嵌套于云台之中，电磁驱动系统设于摄像头本体的外侧。也就是说，由于其特有的悬挂系统与驱动系统，导致了整个云台的整体尺寸很大，对摄像头模组的结构堆叠与设计造成较大的麻烦。
基于此，本申请的发明人经过长期的研究和实验，创造性的得出以下发明创造。
根据本申请实施例的摄像头模组100包括：壳体10、镜头组件20、线路板30和云台组件。云台组件包括：支撑板40、第一驱动组件50和第二驱动组件60。
具体而言，壳体10内设有容纳腔11，镜头组件20可活动地设在容纳腔11内，线路板30与镜头组件20连接，支撑板40的至少一部分可活动地设于容纳腔11内，镜头组件20和线路板30设于支撑板40，第一驱动组件50设于壳体10，第一驱动组件50的至少一部分与支撑板40连接以驱动支撑板40沿第一方向活动，第二驱动组件60设于支撑板40，第二驱动组件60的至少一部分与支撑板40连接以驱动支撑板40沿第二方向活动。
换言之，根据本申请实施例的摄像头模组100，主要由壳体10、安装于壳体10的镜头组件20、与镜头组件20电连接的线路板30、云台组件组成。云台组件主要由能够对镜头组件20和线路板30起到限位作用的支撑板40、能够对支撑板40起到驱动作用的第一驱动组件50和第二驱动组件60组成。其中，壳体10为摄像头模组100的基础构件，壳体10能够为摄 像头模组100的其他组成部分提供安装基础，并起到保护驱动组件等零件或部件的作用。在本申请实施例中，壳体10具有容纳腔11，容纳腔11能够起到容置镜头组件20的作用。
在具体的拍摄过程中，摄像头模组100由于抖动进而会发生倾斜，最终会影响拍摄质量。在本申请实施例公开的摄像头模组100中，镜头组件20相对于壳体10可活动，通过第一驱动组件50和第二驱动组件60驱动镜头组件20活动，补偿摄像头模组100抖动造成的倾斜，对摄像头模组100实施有效的防抖。
在本申请实施例中，镜头组件20和线路板30能够与支撑板40同步活动，支撑板40可作为补强板，因此，通过第一驱动组件50和第二驱动组件60驱动支撑板40活动时，镜头组件20和线路板30能够同时活动，从而避免镜头组件20与线路板30发生相对活动并对线路板30造成的拉扯问题。
相对于相关技术的电磁驱动系统直接驱动摄像头本体的方案而言，根据本申请实施例的摄像头模组100，第一驱动组件50和第二驱动组件60通过支撑板40间接驱动镜头组件20和线路板30，一方面，线路板30和镜头组件20能够同步活动，避免了相关技术中柔性线路板对摄像头本体造成拉扯，根据本申请实施例的镜头组件20的移动距离更长、转动角度更大；又一方面，避免了相关技术中将电磁驱动系统安装在摄像头本体上导致的摄像头模组整体结构占用空间大的缺陷。
其中需要说明的是，第一驱动组件50能够驱动支撑板40沿第一方向活动，第二驱动组件60能够驱动支撑板40沿第二方向活动，第一方向和第二方向可以为同向、反向、相交关系，在此不作限定。第一驱动组件50和第二驱动组件60可以同时或者独立运行，在此不作限定。支撑板40沿第一方向和/或第二方向的活动类型包括移动以及旋转类型，在此也不作限定。通过第一驱动组件50和第二驱动组件60相配合，能够使支撑板40在更大范围的空间内活动，从而实现了镜头组件20和线路板30的活动范围的扩大。
此外，第一驱动组件50和第二驱动组件60中的任一个包括但不限于 马达，也可以是其他能够实现支撑板40活动的驱动结构，例如驱动电机、包括驱动电机和与驱动电机配合的传动机构等。
由此，根据本申请实施例的摄像头模组100，将支撑板40分别与镜头组件20和线路板30连接，并采用第一驱动组件50和第二驱动组件60相配合，驱动支撑板40在第一方向以及第二方向活动。在支撑板40活动时，支撑板40能够带动镜头组件20和线路板30同步活动，不仅能够避免镜头组件20在活动过程中对线路板30造成拉扯，而且还能够缩小摄像头模组100的整体结构所占空间，并且还能够提高支撑板40的灵活度，扩大支撑板40的活动范围。
根据本申请的一个实施例，壳体10包括：支架12和盖板13，支架12设有第一侧开口的容纳腔11，镜头组件20可以设于容纳腔11内且相对于支架12可活动，线路板30可以通过开口与镜头组件20连接。盖板13设于支架12的第一侧，第一驱动组件50设于盖板13，可选地，第一驱动组件50的一部分可以设于盖板13，第一驱动组件50的又一部分可以设于支撑板40且可以相对于盖板13活动。
在本申请的一些具体实施方式中，支撑板40包括：主板41和侧板42，镜头组件20和线路板30设于主板41的第一侧，第一驱动组件50的至少一部分位于主板41的第二侧，侧板42设于主板41的第一侧，第二驱动组件60设于侧板42。也就是说，通过将支撑板40划分为主板41和侧板42，便于第一驱动组件50和第二驱动组件60的安装。
根据本申请的一个实施例，主板41和侧板42大致垂直。
为了便于描述，以下定义摄像头模组100沿上下方向装配，邻近观察者的方向为前侧，背向观察者的方向为后侧。
主板41大致为矩形板且沿前后方向延伸，称平行于主板41的长度方向的直线为Y轴，平行于主板41的宽度方向的直线为X轴，垂直于主板41所在平面的直线为Z轴。摄像头模组100的各个零件或部件可以大致沿Z轴方向装配。
如图3所示，镜头组件20和线路板30位于主板41的上方，侧板42位于主板41的上方。侧板42的下端与主板41的长边连接，侧板42的上端 沿着Z轴向上延伸。在主板41上设置第一驱动组件50能够实现支撑板40绕X轴或Y轴方向的旋转，在侧板42上设置第二驱动组件60能够实现支撑板40绕X轴或Y轴方向的旋转。
需要说明的是，上述对上方、下方、前侧、后侧、X轴、Y轴和Z轴的定义仅仅是为了方便描述本申请实施例的摄像头模组100的各部件的位置关系或者连接关系，不对本申请实施例造成限定。
此外，对于本申请实施例中相同的零部件，图中可能仅仅对其中一个零件或部件进行附图标记，对于其他相同的零件或部件，附图标记同样适用。
进一步地，线路板30包括：第一板体31和第二板体32，第一板体31设于镜头组件20与主板41之间，镜头组件20设于第一板体31的第一侧，第一板体31的第二侧与主板41的第一侧连接，第二板体32设于主板41的第一侧，第二板体32与第一板体31电连接。第二板体32可以为柔性线路板、导线等。如图3所示，第一板体31位于第二板体32的后侧，且位于镜头组件20的下方。在将线路板30与主板41进行装配时，可以将第一板体31的下侧和第二板体32的下侧分别与主板41的上侧连接。将线路板30划分为第一板体31和第二板体32，能够在实现线路板30与主板41同步活动的前提下，有利于线路板30与镜头组件20之间的连接以及镜头组件20的活动。
可选地，第一板体31为电路板，第二板体32为柔性线路板。在装配时，可以将第二板体32沿S形折叠，在镜头组件20活动时，第二板体32能够同步伸缩，扩大了镜头组件20的活动范围。进一步地，第二板体32与第一驱动组件50相对设置，第二板体32的外周设有第二驱动组件60，能够充分利用第二板体32的下方和外周的空间，避免了将第一驱动组件50和第二驱动组件60放置在镜头组件20的下方时导致的摄像头模组100的整体结构尺寸变大的缺陷。
进一步地，在壳体10还包括柔性线路板收纳部70时，如图3所示，柔性线路板收纳部70可位于支架12的前侧，第二板体32、第一驱动组件50和第二驱动组件60可以同时位于柔性线路板收纳部70内，能够充分利 用柔性线路板的收纳空间。
根据本申请的一个实施例，第一板体31的形状与镜头组件20的第一侧表面的形状相对应，主板41与第一板体31和第二板体32的形状相对应，提高了镜头组件20和线路板30活动时整体结构的稳定性和可靠性。
在本申请的一些具体实施方式中，第一驱动组件50包括：第一磁性件51和第一线圈52，第一磁性件51和第一线圈52中的一个与盖板13连接，第一磁性件51和第一线圈52中的另一个与主板41连接，第一线圈52通电后相对于第一磁性件51可活动以驱动主板41。换言之，第一磁性件51可以设置在盖板13上，第一线圈52可以设置在主板41上；或者，第一磁性件51可以设置在支撑板40上，第一线圈52可以设置在盖板13上。例如，如图5所示，第一磁性件51与盖板13的上端面连接，第一线圈52与主板41的上端面连接且第二板体32的下端面连接，并与第一磁性件51相配合。
其中需要说明的是，在驱动组件50包括第一磁性件51和第一线圈52时，支撑板40可为非导磁性刚性材料。在第一驱动组件50工作时，第一磁性件51和第一线圈52配合，根据弗莱明左手法则，在通电的第一线圈52中会产生垂直于磁场方向的力，该力在作用在主板41上时，能够控制主板41活动。
进一步地，第一磁性件51为板状结构，第一磁性件51贴设在盖板13上。也就是说，第一磁性件51可为扁平线圈，能够有效节约空间。第一磁性件51贴设在盖板13上，便于第一磁性件51的装配。需要说明的是，第一磁性件51也可以采用其他安装方式安装在盖板13上，例如卡接、插接等可拆卸安装方式。
在本申请实施例中，第一线圈52为两个环形的线圈521，两个环形的线圈521间隔开设于主板41。在线圈521的数量为两个以上时，能够有效保证力均衡性。
参考附图4，例如两个环形的线圈521可分别为第一环形线圈和第二环形线圈，第一环形线圈和第二环形线圈可以共用一个磁铁。可以通过控制第一环形线圈和第二环形线圈中的通电情况，实现主板41绕某一方向的 旋转。
在本申请实施例中，第二板体32为折叠的S形柔性板，第二板体32的下端面大致为矩形件，第二板体32的长边沿Y轴方向延伸，第二板体32的宽边沿X轴方向延伸，第二板体32可以大致沿Z轴方向折叠。
第一环形线圈和第二环形线圈位于所述第二板体32的下端面，且沿第二板体32的长度方向间隔开分布。第一环形线圈和第二环形线圈均为大致沿第二板体32的宽度方向延伸的椭圆形件。在第一环形线圈和第二环形线圈上产生的作用力相同时，支撑板40绕X轴方向旋转，在第一环形线圈和第二环形线圈上产生的作用力不同时，支撑板40绕Y轴旋转。在第一环形线圈和第二环形线圈同时开启时，能够保证力均衡性。
根据本申请的一个实施例，摄像头模组100还包括第一位置反馈元件80，通过第一位置反馈元件80能够反馈主板41的运动位置。第一位置反馈元件80可以为霍尔芯片等，在此不作限定。
可选地，在线圈521为环形线圈时，第一位置反馈元件80可以安装在环形线圈的中空结构处，有利于节约空间。
在本申请的一些具体实施方式中，侧板42为两个，两个侧板42相对设在主板41的第一侧，每个侧板42上分别设有一个第二驱动组件60。在主板41为长条形时，两个侧板42可以沿主板41的宽度方向间隔开分布，每个侧板42沿主板41的长度方向延伸。
进一步地，第二驱动组件60包括：第二磁性件61和第二线圈62，第二磁性件61和第二线圈62中的一个与侧板42连接，第二磁性件61和第二线圈62中的另一个与壳体10连接，第二线圈62通电后相对于第二磁性件61可活动以驱动侧板42。换言之，第二磁性件61可以设置在侧板42上，第二线圈62可以设置在壳体10上；或者，第二磁性件61可以设置在壳体10上，第二线圈62可以设置在侧板42上。例如，如图6所示，第二磁性件61设置在壳体10的内侧壁，第二线圈62设置在侧板42邻近第二板体32的一侧，并与第二磁性件61相配合。
第二线圈62通电后相对于第二磁性件61可活动以驱动第二板体32。第二磁性件61与第二线圈62配合的原理与第一磁性件51和第一线圈52 配合的原理相同，在此不作赘述。
根据本申请的一个实施例，摄像头模组100还包括第二位置反馈元件90，通过第二位置反馈元件90能够反馈侧板42的运动位置。第二位置反馈元件90可以为霍尔芯片等，在此不作限定。
可选地，在第二线圈62为环形线圈时，第二位置反馈元件90可以安装在环形线圈的中空结构处，有利于节约空间。
需要说明的是，第一驱动组件50和第二驱动组件60既可以独立工作，也可以相互配合工作。在第一驱动组件50和第二驱动组件60相配合时，既能够实现支撑板40绕X轴旋转，也能够实现支撑轴绕Y轴旋转。
例如，如图4所示，设定第一线圈52受力F1、F2，第二线圈62受力F3和F4，当F1、F2、F3、F4方向相同时，带动支撑板40运动，从而实现支撑板40绕X轴旋转。而当F1、F3方向相同，合为一组用[F1、F3]表示；F2、F4方向相同，合为一组用[F2、F4]表示，在[F1、F3]和[F2、F4]方向相反时，带动支撑板40绕Y轴旋转。
可选地，第二磁性件61为板状结构，第二磁性件61贴设在侧板42上，具有便于安装，节约安装空间等优点。
本申请实施例还提供了一种电子设备，包括上述任一实施例的摄像头模组100。镜头组件20可以通过线路板30与电子设备的主板41电连接，进而实现对镜头组件20的供电。
根据本申请实施例的电子设备可以是智能手机、平板电脑、可穿戴设备等，在此不作限定。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种 变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种摄像头模组，包括：
    壳体，所述壳体内设有容纳腔；
    镜头组件，所述镜头组件可活动地设在所述容纳腔内；
    线路板，所述线路板与所述镜头组件连接；
    云台组件，所述云台组件包括：
    支撑板，所述支撑板的至少一部分可活动地设于所述容纳腔内，所述镜头组件和所述线路板设于所述支撑板；
    第一驱动组件，所述第一驱动组件设于所述壳体，所述第一驱动组件的至少一部分与所述支撑板连接以驱动所述支撑板沿第一方向活动；
    第二驱动组件，所述第二驱动组件设于所述支撑板，所述第二驱动组件的至少一部分与所述支撑板连接以驱动所述支撑板沿第二方向活动。
  2. 根据权利要求1所述的摄像头模组，其中，所述壳体包括：
    支架，所述支架设有第一侧开口的所述容纳腔；
    盖板，所述盖板设于所述支架的第一侧，所述第一驱动组件设于所述盖板。
  3. 根据权利要求2所述的摄像头模组，其中，所述支撑板包括：
    主板，所述镜头组件和所述线路板设于所述主板的第一侧，所述第一驱动组件的至少一部分位于所述主板的第二侧；
    侧板，所述侧板设于所述主板的第一侧，所述第二驱动组件设于所述侧板。
  4. 根据权利要求3所述的摄像头模组，其中，所述线路板包括：
    第一板体，所述第一板体设于所述镜头组件与所述主板之间，所述镜头组件设于所述第一板体的第一侧，所述第一板体的第二侧与所述主板的第一侧连接；
    第二板体，所述第二板体设于所述主板的第一侧，所述第二板体与所述第一板体电连接。
  5. 根据权利要求4所述的摄像头模组，其中，所述第一板体为电路板， 所述第二板体为柔性线路板。
  6. 根据权利要求5所述的摄像头模组，其中，所述第一板体的形状与所述镜头组件的第一侧表面的形状相对应，所述主板与所述第一板体和所述第二板体的形状相对应。
  7. 根据权利要求3所述的摄像头模组，其中，所述第一驱动组件包括第一磁性件和第一线圈，所述第一磁性件和第一线圈中的一个与所述盖板连接，所述第一磁性件和所述第一线圈中的另一个与所述主板连接，所述第一线圈通电后相对于所述第一磁性件可活动以驱动所述主板。
  8. 根据权利要求7所述的摄像头模组，其中，所述第一磁性件为板状结构，所述第一磁性件贴设在所述盖板上。
  9. 根据权利要求4所述的摄像头模组，其中，所述侧板为两个，两个所述侧板相对设在所述主板的第一侧，每个所述侧板上分别设有一个所述第二驱动组件。
  10. 根据权利要求9所述的摄像头模组，其中，所述第二驱动组件包括：第二磁性件和第二线圈，所述第二磁性件和所述第二线圈中的一个与所述侧板连接，所述第二磁性件和所述第二线圈中的另一个与所述第二板体连接，所述第二线圈通电后相对于所述第二磁性件可活动以驱动所述第二板体。
  11. 根据权利要求10所述的摄像头模组，其中，所述第二磁性件为板状结构，所述第二磁性件贴设在所述侧板上。
  12. 一种电子设备，包括根据权利要求1-11中任一项所述的摄像头模组。
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