CN109462719B - FOV adjustable many camera device and camera terminal - Google Patents
FOV adjustable many camera device and camera terminal Download PDFInfo
- Publication number
- CN109462719B CN109462719B CN201811198028.5A CN201811198028A CN109462719B CN 109462719 B CN109462719 B CN 109462719B CN 201811198028 A CN201811198028 A CN 201811198028A CN 109462719 B CN109462719 B CN 109462719B
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- camera
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- output shaft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a multi-camera device with an adjustable FOV and a camera terminal. The multi-camera device comprises a fixed-axis camera module and at least one axis-adjusting camera module which are arranged in a coplanar manner, wherein the optical axis direction of the fixed-axis camera module is fixed, the optical axis direction of the axis-adjusting camera module is adjustable, and different FOVs are formed by the fixed-axis camera module and the axis-adjusting camera module by adjusting the optical axis direction of the axis-adjusting camera module; the axis-adjusting camera module comprises a camera module and a driving module, the driving module is used for driving a camera in the camera module to rotate, and the rotating axis of the camera is perpendicular to the optical axis of the camera. The multi-camera device not only can realize wide-angle shooting, but also can adjust the FOV of shooting.
Description
Technical Field
The invention relates to the field of camera shooting, in particular to a multi-camera device with an adjustable FOV and a camera shooting terminal.
Background
The field angle of a camera of the mobile phone is generally 60-80 degrees, the coverage range is small, and the camera cannot be used for wide-angle shooting, but the mobile phone often needs to carry out wide-angle shooting when in use so as to acquire more image contents. At present, a method for realizing wide-angle shooting on a mobile phone is mainly realized through software, namely, the mobile phone is rotated in a panoramic mode of shooting software, a plurality of common images are spliced into a wide-angle image in an image splicing mode, the method is easy to influence the image quality due to hand trembling, and the limb movement of the mobile phone is too large, so that surrounding people are easily influenced in some scenic spots.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a multi-camera device with an adjustable FOV and a camera terminal. The multi-camera device not only can realize wide-angle shooting, but also can adjust the FOV of shooting.
The technical problem to be solved by the invention is realized by the following technical scheme:
a multi-camera device with an adjustable FOV comprises a fixed-axis camera module and at least one axis-adjusting camera module which are arranged in a coplanar manner, wherein the optical axis direction of the fixed-axis camera module is fixed, the optical axis direction of the axis-adjusting camera module is adjustable, and the fixed-axis camera module and the axis-adjusting camera module form different FOVs by adjusting the optical axis direction of the axis-adjusting camera module; the axis-adjusting camera module comprises a camera module and a driving module, the driving module is used for driving a camera in the camera module to rotate, and the rotating axis of the camera is perpendicular to the optical axis of the camera.
Further, the driving module comprises a fixed assembly, a moving assembly and a rotating output shaft, wherein the fixed assembly comprises a first magnetic element, and the moving assembly comprises a moving bracket and a second magnetic element arranged on the moving bracket; the rotary output shaft penetrates through a through hole in the movable support, and an external thread on the rotary output shaft is meshed with an internal thread in the through hole; the magnetic field of the first magnetic element and/or the second magnetic element is changeable after the first magnetic element and/or the second magnetic element is electrified, and the movable support is driven by the magnetic field acting force between the first magnetic element and the second magnetic element to do linear motion on the rotating output shaft.
Further, the first magnetic element is a magnet group, and the second magnetic element is an electromagnetic coil; or, the first magnetic element is an electromagnetic coil, and the second magnetic element is a magnet group.
Further, the fixed assembly comprises a fixed bracket, and the fixed bracket is used for assembling the moving assembly and the rotating output shaft.
Furthermore, the fixing assembly comprises a metal shell, and the metal shell is sleeved outside the fixing support.
Furthermore, both ends of the rotating output shaft are respectively and rotatably connected to the fixed assembly.
Furthermore, the driving module further comprises an elastic clamping piece, and the elastic clamping piece is used for clamping the movable bracket after the movable bracket moves to the appointed position of the rotating output shaft under the driving of the magnetic field acting force so as to limit the movable bracket at the appointed position.
Furthermore, the elastic clamping piece is fixed on the fixed component, the elastic clamping piece is respectively protruded and folded towards the movable support at two ends of the movable support in the linear motion direction to form a first transverse fold and a second transverse fold, and the directions of the first transverse fold and the second transverse fold are both vertical to the linear motion direction of the movable support; one surface of the movable support facing the elastic clamping piece sinks upwards and downwards to form a transverse groove corresponding to the first transverse fold and the second transverse fold, and the direction of the transverse groove is perpendicular to the linear motion direction of the movable support.
Furthermore, the camera module comprises a fixed seat and a rotating seat for bearing the camera, the rotating seat is rotatably connected to the fixed seat through a rotating shaft, and the rotating shaft of the rotating seat is perpendicular to the optical axis of the camera; the rotating shaft is fixedly connected to the rotating output shaft of the driving module.
A camera terminal comprises the FOV-adjustable multi-camera device.
The invention has the following beneficial effects: the axis-adjusting camera device drives the camera in the camera module to rotate through the rotating force output by the driving module, so that the purpose of adjusting the optical axis direction of the camera and acquiring a larger shooting range is achieved.
Drawings
FIG. 1 is a schematic diagram of a multi-camera apparatus with adjustable FOV provided by the present invention;
FIG. 2 is a schematic view of an axis-adjustable camera module according to the present invention;
FIG. 3 is a schematic diagram of a driving module provided in the present invention;
fig. 4 is a sectional view a-a of the adjustable axis camera module shown in fig. 2.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, a multi-camera device with an adjustable FOV comprises a fixed-axis camera module 20 and at least one axis-adjustable camera module 10, which are arranged in a coplanar manner, wherein the optical axis direction of the fixed-axis camera module 20 is fixed, the optical axis direction of the axis-adjustable camera module 10 is adjustable, and the fixed-axis camera module 20 and the axis-adjustable camera module 10 form different FOVs by adjusting the optical axis direction of the axis-adjustable camera module 10; as shown in fig. 2, the axis-adjusting camera module 10 includes a camera module and a driving module, where the driving module is configured to drive a camera 101 in the camera module to rotate, and a rotation axis of the camera 101 is perpendicular to an optical axis thereof.
This many camera devices adopts dead axle camera module 20 shoots to the dead axle image that obtains to the dead axle direction, adopts the dead axle camera module 10 shoots to the incline direction and obtains the dead axle image, then splices dead axle image and just can obtain wide angle image, just the optical axis direction accessible of dead axle camera module 10 the turning force of drive module output drives camera 101 in the camera module rotates and adjusts, works as when dead axle camera module 10 shoots with different inclination, and the wide angle image that the concatenation was obtained has different FOV.
Preferably, the number of the axis-adjusting camera modules 10 is at least two, each axis-adjusting camera module 10 is distributed on the periphery of the fixed axis camera module 20, and most preferably, each axis-adjusting camera module 10 is arranged in an equiangular offset manner with the fixed axis camera module 20 as the center of circle.
The camera module comprises a fixed seat 102 and a rotating seat 103 for bearing the camera 101, the rotating seat 103 is rotatably connected to the fixed seat 102 through a rotating shaft 1031, and the rotating shaft 1031 of the rotating seat 103 is perpendicular to the optical axis of the camera 101; the rotation shaft 1031 is fixedly connected to the rotation output shaft 104 of the driving module.
The rotating base 103 obtains a rotating force from the driving module through the rotating shaft 1031 to drive the camera 101 to rotate, so that the camera 101 can shoot in different directions, and the shooting angle of the camera 101 is enlarged to obtain a wide-angle effect.
The rotating base 103 is cylindrical, an assembly cavity for assembling the camera 101 is formed in the rotating base, two sections of rotating shafts 1031 for rotationally connecting with the fixing member are respectively arranged at two ends of the rotating base, and the rotating shaft 1031 at one end is fixedly connected with a rotating output shaft 104 of a driving module outside the fixing base 102 after penetrating through a shaft hole on the fixing base 102; the fixed base 102 is annular and is disposed around the periphery of the rotating base 103, a hard circuit board (PCB) 110 is fixedly bonded below the fixed base, and the camera 101 is electrically connected to the hard circuit board 110 through a flexible circuit board (FPC) 111 penetrating through the rotating base 103. The flexible circuit board 111 should be reserved with a sufficient length for the camera 101 to rotate.
The drive module includes stationary components, moving components, and a rotating output shaft 104.
The fixing component comprises a fixing bracket 106, a metal shell 107 and a first magnetic element 108; the fixed bracket 106 is used for assembling the moving component and the rotating output shaft 104 and is provided with two opposite side walls and a plurality of connecting walls which are connected and supported between the two side walls on the periphery; the metal housing 107 is cylindrical, is sleeved outside the fixing support 106, and is axially parallel to the rotating output shaft 104, and preferably, a magnetic yoke is formed by a magnetic conductive metal to prevent a magnetic field from leaking. The first magnetic element 108, if being an electromagnetic coil, may be wound around the periphery of the connecting wall of the fixing bracket 106, and if being a magnet set, the first magnetic element 108 may be fixed to the inner side of the metal shell 107 by being adhered through the avoiding groove of the fixing bracket 106.
The moving assembly includes a moving support 105 and a second magnetic element 109 disposed on the moving support 105. The second magnetic element 109 may be an electromagnetic coil and may be wound around the outer periphery of the moving bracket 105, and the second magnetic element 109 may be a magnet group and may be fixed in the mounting groove of the moving bracket 105 by adhesion.
Two ends of the rotating output shaft 104 are respectively rotatably connected to two side walls of a fixed support 106 of the fixed component, the middle part of the rotating output shaft passes through a through hole in the movable support 105, and an external thread on the rotating output shaft 104 is meshed with an internal thread in the through hole.
The first magnetic element 108 and/or the second magnetic element 109 can change the magnetic field after being electrified, and the moving bracket 105 is driven by the magnetic field acting force between the first magnetic element 108 and the second magnetic element 109 to do linear motion on the rotating output shaft 104.
A screw mechanism is formed between the movable bracket 105 and the rotary output shaft 104 through external threads and internal threads which are engaged with each other, so that the linear motion of the movable bracket 105 is converted into the rotary motion of the rotary output shaft 104, and finally, the rotary output shaft 104 outputs a rotary force to the rotary base 103 of the camera module.
Most preferably, the first magnetic element 108 is an electromagnetic coil, the second magnetic element 109 is a set of magnets, and less preferably, the first magnetic element 108 is a set of magnets, and the second magnetic element 109 is an electromagnetic coil; the magnetic polarity direction generated by the first magnetic element 108 is parallel to the magnetic polarity direction generated by the second magnetic element 109.
The driving module further comprises an elastic clamping piece 120, and the elastic clamping piece 120 is used for clamping the movable bracket 105 after the movable bracket 105 is driven by the magnetic field acting force to move to the designated position of the rotating output shaft 104, so as to limit the movable bracket 105 at the designated position.
The elastic position-locking piece 120 is fixed on one of the connecting walls of the fixing bracket 106 of the fixing assembly, and a hollow groove is preset on the corresponding connecting wall, so that the elastic position-locking piece 120 can have enough deformation space when being deformed backwards. Two ends of the elastic clamping piece 120 along the linear motion direction of the movable support 105 are respectively fixed on the connecting wall, the inner sides of the two end fixing positions protrude and fold towards the movable support 105 to form a first transverse fold 1201 and a second transverse fold 1202, the cross sections of the first transverse fold 1201 and the second transverse fold 1202 are U-shaped or V-shaped, and the directions of the first transverse fold 1201 and the second transverse fold 1202 are perpendicular to the linear motion direction of the movable support 105; one surface of the movable bracket 105 facing the elastic clamping piece 120 is recessed and recessed up and down to form a transverse groove corresponding to the first transverse fold 1201 and the second transverse fold 1202, and the direction of the transverse groove is perpendicular to the linear motion direction of the movable bracket 105.
When the movable bracket 105 is driven by the magnetic field acting force to move linearly to one end of the rotating output shaft 104, the first transverse fold 1201 of the elastic clamping piece 120 is clamped into the transverse groove of the movable bracket 105, so that the movable bracket 105 is clamped and fixed at the position; when the movable bracket 105 moves linearly to the other end of the rotating output shaft 104 under the driving of the magnetic field acting force, the second transverse fold 1202 of the elastic clamping piece 120 is clamped into the transverse groove of the movable bracket 105, so that the movable bracket 105 is clamped and fixed at the position.
The optical axis direction of the camera 101 of the axis-adjustable camera module 10 can be adjusted to two opposite oblique directions.
According to different structural requirements, the fixing base 102 of the camera module and the fixing bracket 106 of the driving module can be of an integrated structure or a split structure.
Example two
A camera terminal includes the multi-camera device with adjustable FOV described in the first embodiment.
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
Claims (7)
1. A multi-camera device with an adjustable FOV (field of view) is characterized by comprising a fixed-axis camera module and at least one axis-adjusting camera module which are arranged in a coplanar manner, wherein the optical axis direction of the fixed-axis camera module is fixed, the optical axis direction of the axis-adjusting camera module is adjustable, and different FOVs are formed by the fixed-axis camera module and the axis-adjusting camera module by adjusting the optical axis direction of the axis-adjusting camera module; the axis-adjusting camera module comprises a camera module and a driving module, wherein the driving module is used for driving a camera in the camera module to rotate, and a rotating shaft of the camera is perpendicular to an optical axis of the camera; the driving module comprises a fixed component, a moving component and a rotating output shaft, the moving component comprises a moving bracket, the rotating output shaft penetrates through a through hole in the moving bracket, an external thread on the rotating output shaft is meshed with an internal thread in the through hole, and the moving bracket can do linear motion on the rotating output shaft; the driving module further comprises an elastic clamping sheet for clamping the movable bracket after the movable bracket moves to the designated position of the rotating output shaft so as to limit the movable bracket at the designated position; the elastic clamping piece is respectively protruded and folded towards the movable support at two ends of the movable support in the linear motion direction to form a first transverse fold and a second transverse fold, the directions of the first transverse fold and the second transverse fold are both vertical to the linear motion direction of the movable support, one surface of the movable support facing the elastic clamping piece is sunken up and down and is concave inwards to form a transverse groove corresponding to the first transverse fold and the second transverse fold, and the direction of the transverse groove is vertical to the linear motion direction of the movable support; the elastic clamping piece is fixed on the fixing component, and a corresponding hollow groove is preset on the fixing component so that the elastic clamping piece can have enough deformation space when being deformed backwards; the fixed assembly comprises a first magnetic element, and the moving assembly comprises a second magnetic element arranged on the moving bracket; the magnetic field of the first magnetic element and/or the second magnetic element is changeable after the first magnetic element and/or the second magnetic element is electrified, and the movable bracket is driven by the magnetic field acting force between the first magnetic element and the second magnetic element to do linear motion on the rotating output shaft; a screw rod mechanism is formed between the movable support and the rotary output shaft through external threads and internal threads which are meshed with each other, so that linear motion of the movable support is converted into rotary motion of the rotary output shaft, and finally the rotary output shaft outputs rotating force to a rotary seat of the camera module.
2. The FOV adjustable multi-camera device of claim 1, wherein the first magnetic element is a set of magnets and the second magnetic element is an electromagnetic coil; or, the first magnetic element is an electromagnetic coil, and the second magnetic element is a magnet group.
3. The FOV adjustable multi-camera apparatus according to claim 1, wherein said fixed assembly includes a fixed bracket for mounting said moving assembly and said rotational output shaft.
4. The FOV adjustable multi-camera apparatus of claim 3, wherein the fixing assembly comprises a metal housing, and the metal housing is sleeved outside the fixing bracket.
5. The FOV adjustable multi-camera apparatus according to any of claims 1-4, wherein both ends of the rotating output shaft are rotatably connected to the fixed assembly respectively.
6. The FOV-adjustable multi-camera device according to claim 1, wherein the camera module comprises a fixed base and a rotatable base for carrying the camera, the rotatable base is rotatably connected to the fixed base through a rotating shaft, and the rotating shaft of the rotatable base is perpendicular to the optical axis of the camera; the rotating shaft is fixedly connected to the rotating output shaft of the driving module.
7. A camera terminal comprising the FOV adjustable multi-camera apparatus according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198028.5A CN109462719B (en) | 2018-10-15 | 2018-10-15 | FOV adjustable many camera device and camera terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198028.5A CN109462719B (en) | 2018-10-15 | 2018-10-15 | FOV adjustable many camera device and camera terminal |
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| Publication Number | Publication Date |
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| CN109462719A CN109462719A (en) | 2019-03-12 |
| CN109462719B true CN109462719B (en) | 2020-05-12 |
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| CN201811198028.5A Active CN109462719B (en) | 2018-10-15 | 2018-10-15 | FOV adjustable many camera device and camera terminal |
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| WO2023050777A1 (en) * | 2021-09-30 | 2023-04-06 | 广州视源电子科技股份有限公司 | Dual camera and interactive tablet |
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| JP3952049B2 (en) * | 2004-08-12 | 2007-08-01 | コニカミノルタフォトイメージング株式会社 | Shake correction mechanism and imaging apparatus using the same |
| CN106329815B (en) * | 2012-10-17 | 2018-11-16 | 上海交通大学 | The displacement drive to be interacted based on permanent magnet and electromagnet |
| CN203535292U (en) * | 2013-10-23 | 2014-04-09 | 中山联合光电科技有限公司 | An optical prime lens apparatus which can automatically overturn |
| CN104935820A (en) * | 2015-06-12 | 2015-09-23 | 广东欧珀移动通信有限公司 | Mobile terminal rotation camera device and rotation method |
| CN106341031B (en) * | 2016-09-13 | 2018-12-14 | 江苏大学 | A kind of magnetic-field modulation-type magnetic Screw |
| CN107896047B (en) * | 2017-11-22 | 2019-09-13 | 哈尔滨工业大学 | Simplex winding composite excitation magnetic Screw |
| CN108495016B (en) * | 2018-06-01 | 2020-05-08 | Oppo（重庆）智能科技有限公司 | Camera device, electronic equipment and image acquisition method |
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Inventor after: Lin Ting Inventor after: Shi Shijie Inventor after: Zheng Huaixi Inventor after: Wu Guangsi Inventor before: Lin Ting Inventor before: Wu Guangsi |
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