WO2018099288A1

WO2018099288A1 - 3d image capturing device

Info

Publication number: WO2018099288A1
Application number: PCT/CN2017/111866
Authority: WO
Inventors: 严文骏
Original assignee: 严文骏
Priority date: 2016-11-30
Filing date: 2017-11-20
Publication date: 2018-06-07
Also published as: CN106439414A

Abstract

A 3D image capturing device, comprising a main frame (3). A first camera (1), a second camera (2) perpendicular to the first camera (1) in lens orientation, and a viewport frame (6) with the front end open are provided on the main frame (3). A reflective mirror is provided in the viewport frame (6). The interior of the viewport frame (6) is divided into two areas by the reflective mirror in the viewport frame (6), so that mounting space is reduced, and mounting is facilitated. Moreover, a first driving assembly and a second driving assembly are provided on the main frame (3) to automatically control and regulate focusing and aperture of the lenses, and thus, the structure is more compact and simpler. In addition, a control circuit board has a wireless communication function, so that connections by means of data lines are reduced, and tedious line connection operations are avoided, thereby facilitating operation. The 3D image capturing device is more practical and more reliable.

Description

3D image capturing device

Technical field

The invention relates to the field of image capturing devices, in particular to a dual lens automatic adjusting 3D image capturing device.

Background technique

With the development of 3D imaging technology, the 3D image capturing device has been gradually applied to the shooting of industries such as television or film. However, the existing 3D image capturing device has a complicated structure, and the zooming, aperture size and far and near framing of the shooting device are The stereoscopic adjustment and the like require manual movement of the entire adjustment component, and the operation is troublesome. In addition, the existing 3D image capturing device requires a data line external controller during operation, the wiring is complicated and complicated, and the operation efficiency is low, and the 3D image capturing device is shooting. The scene is very prone to problems. Once a problem occurs on a certain line, it is necessary to stop shooting one by one for troubleshooting, which is laborious and time consuming, affecting the shooting efficiency.

Summary of the invention

In order to solve the problem of complicated wiring of the existing 3D image capturing device, the present invention provides a 3D image capturing device with wireless control function based on dual lens shooting.

In order to achieve the above object, the technical solution adopted by the present invention is:

A 3D image capturing device includes a main frame, and the main frame is provided with a first camera, a second camera perpendicular to the lens of the first camera, and a viewport frame with an open front end, the viewport a reflective lens is disposed in the frame, and the lenses of the first camera and the second camera are both facing the viewport frame and are respectively disposed on two sides of the reflective lens, and the main frame is further provided with a first camera for adjusting A first driving component of the lens and a second driving component for adjusting the second camera lens, and a control circuit board with a wireless communication module is mounted in the main frame.

Preferably, the first driving component includes a first driver and a fourth driver, and the first driver and the second driver are connected side by side to the lens of the first camera through a first link, the second driving component A third driver and a fourth driver are included, and the third driver and the fourth driver are connected side by side to the lens of the second camera through the second link.

Preferably, the lens of the first camera is located at the back opening of the viewport frame, the lens of the second camera is located at the bottom opening of the viewport frame, and the reflective lenses are combined with the first and second cameras. The focus line of the lens is at an angle of 45°.

Further, a fine adjustment device for adjusting a rotation angle of the reflective lens is installed in the viewport frame, and the fine adjustment device includes a lens frame whose upper end is rotatably coupled to the top of the front end of the viewport frame, and is located behind the viewport frame. The adjusting nut corresponding to the lens frame for pushing the reflective lens to rotate upward is disposed on the lens frame, and the lens frame is provided with a torsion spring for providing a downward rotation torque of the lens frame.

Further, a light shielding mechanism is respectively disposed at the openings of the back and bottom of the viewport frame, and the light shielding mechanism is a grid assembly formed by slidingly matching a plurality of grid plates.

Preferably, the first camera is mounted in a horizontal direction of the main frame by a sliding device, and the second camera is mounted in a vertical direction of the main frame by a sliding device, and the sliding device includes the host A sliding bracket is disposed on the sliding seat, and the sliding seat is provided with a sliding slot, and the sliding slot is slidably coupled to the sliding plate.

Preferably, a rotating component for adjusting a horizontal corner of the first camera is mounted in the main frame, the rotating component includes a rotating base connected to the main frame, and a rotating disk is mounted on an upper end of the central part of the rotating base. The lower end of the rotating disc passes through the rotating base and is connected with a rotary driving device that drives the rotating disc to rotate.

Further, the rotary driving device includes a rotary drive motor and a rotary gear set, and the rotary gear set includes a rotary drive gear coupled to the output shaft of the rotary drive motor, a conversion gear coupled with the rotary drive gear, and a linkage with the conversion gear a base gear coupled to a lower end of the rotating disk, the rotary drive motor being a servo motor.

Preferably, an adjustment component for adjusting the rotation angle of the second camera is installed in the main frame, and the adjustment component includes a sliding seat connected to the main frame, and the sliding seat is connected with an upper and lower adjustment seat through an upper and lower rotating shaft. a first angle driving device for driving the upper and lower adjusting seats to rotate about the upper and lower rotating shafts is mounted on the sliding seat, the first angle driving device includes a first driving motor and a first gear screw assembly driven by the first driving motor, The first gear helical assembly includes a first reduction transmission gear set and a first gear and a second gear that mesh with each other, and the first gear and the second gear are each coupled with a first screw transmission mechanism that converts the rotary motion into a linear motion. The first gear and the second gear mesh with each other to rotate in the opposite direction, and are moved by the first screw transmission mechanism to rotate the upper and lower adjustment seats about the upper and lower rotation shafts.

Further, the adjusting component further includes a left and right adjusting seat, wherein the upper and lower adjusting seats are hinged to the left and right adjusting seats by the left and right rotating shafts, the axis of the left and right rotating shafts is perpendicular to the axis of the upper and lower rotating shafts, and the sliding seat is mounted with driving left and right adjustment a second angle driving device rotating around the left and right rotating shafts, the second angular driving device comprising a second driving motor and a second gear screw assembly driven by the second driving motor, the second gear screw assembly comprising a second reduction gear a gear set and a third gear and a fourth gear that mesh with each other, the third gear and the fourth gear are each coupled with a second screw transmission mechanism that converts a rotary motion into a linear motion, the third gear and the fourth gear phase Engaging and rotating in the opposite direction, and moving the left and right adjusting bases around the left and right rotating shafts by the movement of the second screw transmission mechanism, and the first driving motor and the second driving motor are both servo motors.

The invention has the beneficial effects that the 3D image capturing device comprises two cameras, and the shooting directions of the first camera and the second camera are perpendicular to each other, and the inside of the viewport frame is divided into two regions through the reflective lens in the viewport frame, so that The utility model not only saves installation space but also facilitates installation, and provides a first driving component for adjusting the first camera lens and a second driving component for adjusting the second camera lens on the main frame, thereby realizing automatic adjustment of the focusing and aperture of the lens, and the structure More compact and simple, and the control circuit board has wireless communication function, reducing the connection of data lines, avoiding cumbersome wiring operations, convenient operation, more practical and reliable.

DRAWINGS

The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings.

1 is a schematic view showing the overall structure of a 3D image capturing apparatus of the present invention;

2 is a schematic view showing the assembly of the 3D image capturing apparatus of the present invention;

Figure 3 is a schematic exploded view of the viewport frame of the present invention;

Figure 4 is a schematic exploded view of the sliding device of the present invention;

Figure 5 is a schematic structural view of a rotating assembly of the present invention;

Figure 6 is a schematic exploded view of the rotating assembly of the present invention;

Figure 7 is a schematic view showing the structure of the adjusting assembly of the present invention;

Figure 8 is a schematic exploded view of the adjustment assembly of the present invention.

detailed description

The detailed description of the technical contents, structural features, and the objects and effects of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to FIGS. 1 and 2, a 3D image capturing apparatus includes a main frame 3, and the main frame 3 is provided with a first camera 1, a second camera 2 perpendicular to the lens of the first camera 1, and a front end. An open viewport frame 6, a reflective lens is disposed in the viewport frame 6, and the lenses of the first camera 1 and the second camera 2 are both facing the viewport frame 6 and respectively disposed on the reflective lens On both sides, the main frame 3 is further provided with a first driving component for adjusting the lens of the first camera 1 and a second driving component for adjusting the lens of the second camera 2, so as to realize an automatic control adjustment lens, and the structure is more compact and simple. A control circuit board for controlling the operation of the entire 3D image capturing device with a wireless communication module is installed in the main frame 3, and the control signal is transmitted through the wireless communication module to reduce the connection of the data lines, thereby avoiding cumbersome wiring operations and being convenient. Operation is more practical and reliable.

In the embodiment, the first camera 1 and the second camera 2 are both cameras of a fixed focus lens, so there is only focusing and aperture adjustment on the lens, and the first driving component includes a first driver for adjusting the focus of the first camera 1 lens. 11 and a second driver 12 for adjusting the aperture of the first camera 1 lens, the first driver 11 and the second driver 12 being connected side by side to the lens of the first camera 1 through the first link 13. The second driving assembly includes a third driver 21 that adjusts the lens focus of the second camera 2 and a fourth driver 22 that adjusts the lens aperture of the second camera 2, the third driver 21 and the fourth driver 22 passing through the second link 23 Side by side connected to the lens of the second camera 2. The first driver 11, the second driver 12, the third driver 21, and the fourth driver 22 are all driven by a servo motor, and have a built-in driving receiving circuit, and each driver can be controlled by a wireless controller or a wired controller. . The above-mentioned zoom driver and zoom driver have an automatic detection function matching the camera lens, automatically assigning current, rotation speed, and positive and negative rotation of the motor, the servo motor runs smoothly, and almost no sound is heard when rotating at a high speed, and the strong driving force can be easily driven. A variety of professional film lenses, compatible with damped light camera lenses.

Referring to FIG. 3, the lens of the first camera 1 is located at the back opening of the viewport frame 6, and the lens of the second camera 2 is located at the bottom opening 64 of the viewport frame 6, not shown in the drawing. The structure of the back opening is at an angle of 45° to the focal line of the first and second camera lenses, and the reflective lens used is a coated spectroscopic glass lens 61. Further, a fine adjustment device for adjusting the rotation angle of the coated spectroscopic glass lens 61 is mounted in the viewport frame 6, and the fine adjustment device includes a lens frame 62 whose upper end is rotatably coupled to the top end of the front view frame 6, and is located at An adjusting nut 66 for pushing the coated spectroscopic glass lens 61 upwardly, the lower portion of the rear end of the viewport frame 6 is opposite to the lens frame 62, and the lens frame 62 is provided with a torsion spring for providing a downward rotation torque of the lens frame 62. 63. In the structure, the adjusting nut 66 is disposed at the lower end of the rear end of the viewport frame 6 to prevent the adjusting nut 66 from being disposed at the side end of the viewport frame 6 to block the line of sight of the front of the upper shoulder, and to prevent the adjusting nut 66 from being exposed in a conspicuous place. Thereby the overall shape of the hood is more beautiful. When the adjusting nut 66 is screwed into the viewport frame 6, the adjusting nut 66 moves obliquely upward to push the lens frame 62 to rotate about the rotating shaft against the torsional force of the torsion spring 63, and vice versa, when the adjusting nut 66 is screwed out of the viewport frame 6. The adjusting nut 66 moves obliquely downward, and the coated spectroscopic glass lens 61 rotates downward about the rotating axis under the restoring force of the torsion spring 63. The rotation angle of the coated spectroscopic glass lens 61 can be adjusted by turning the adjusting nut 66.

In order to block the light from entering the viewport frame 6 from the opening of the viewport frame 6, the viewport frame 6 is provided with a light-shielding mechanism matching the camera lens in the openings of the back and the bottom, respectively. A plurality of grids 65 are slidably fitted to form a grid assembly. Without manual operation, the grid assembly can automatically follow the lens to adjust the position to effectively block light from entering the viewport frame 6.

Referring to FIG. 4, the first camera 1 is mounted in the horizontal direction of the main frame 3 by a sliding device 7, and the second camera 2 is mounted in a vertical direction of the main frame 3 by a sliding device 7, The sliding device 7 includes a sliding seat 71 connected to the main frame 3, and the sliding seat 71 is provided with a sliding slot 711. The sliding slot 711 is slidably coupled to the sliding plate 72, and the first camera 1 and the second camera 2 are attached. They are respectively connected to the slide 72 of the corresponding slide device 7.

Referring to FIGS. 5 and 6, in the embodiment, a rotating assembly 4 for adjusting a horizontal corner of the first camera 1 is mounted in the main frame 3, and the rotating assembly 4 includes a rotating base 41 connected to the main frame 3. A rotating disk 42 is mounted on the upper middle end of the rotating base 41. The lower end of the rotating disk 42 passes through the rotating base 41 and is connected with a rotary driving device that drives the rotating disk 42 to rotate. A sliding rod 45 is rotatably coupled to the opposite sides of the rotating base 41. The axis of the sliding rod 45 is perpendicular to the center of rotation of the rotating disc 42. The rotating base 41 is connected with the driving rotating base 41. A sliding drive device in which the slide bar 45 slides. Further, the rotary driving device includes a rotary drive motor 43 and a rotary gear set including a rotary drive gear 431 coupled to an output shaft of the rotary drive motor 43 and a conversion gear 432 coupled to the rotary drive gear 431. And a base gear 433 that is coupled to the shift gear 432, the base gear 433 is coupled to a lower end of the rotary disk 42, and the rotary drive motor 43 is a servo motor. When the angle of the lens of the first camera 1 needs to be adjusted, the driving gear 431 is driven by the rotation driving motor 43 to drive the switching gear teeth to rotate, and then the base gear 433 is rotated by the switching gear teeth, so that the base gear 433 is fixedly mounted. The upper rotating disc 42 rotates to realize the lens angle adjustment, the adjustment precision is high, and the structure is stable and reliable.

The sliding drive device includes a slide drive motor 44 and a slide gear assembly driven by a slide drive motor 44, the slide gear assembly including a first spur gear 441 coupled to an output shaft of the slide drive motor 44, meshing with the first spur gear 441 The second spur gear 442 and the third spur gear 443 meshing with the second spur gear 442 for engaging the external member to rotate the rotating base 41. In the embodiment, the outer member is the first rack 46, and the rack 46 is connected. Fixed to the frame, the sliding drive motor 44 is a servo motor. Thus, when it is necessary to adjust the displacement of the photographic lens, the sliding drive motor 44 drives the first spur gear 441, the first spur gear 441 meshes with the second spur gear 442 and the third spur gear 443, and the third spur gear 443 and the first rack 46 generates a relative displacement, thereby driving the rotating base 41 to move along the slide bar 45, thereby realizing the displacement adjustment of the photographing lens.

Further, an anti-friction rolling bearing is disposed between the rotating base 41 and the rotating disc 42 to prevent mutual wear between the rotating base 41 and the rotating disc 42 and to extend the service life of the rotating disc 42.

When the mounting base 41 is mounted in the horizontal position of the main frame 3, the first camera 1 is directly or indirectly mounted on the rotating disk 42, and the rotating disk 42 is rotated by the rotary driving device, and the rotating base 41 is driven to slide along the sliding driving device. The rod 45 slides to drive the rotating disc 42 to move, and realizes the rotation angle adjustment and the movement displacement adjustment of the lens of the first camera 1. The rotary driving device and the sliding driving device are driven by the servo motor, and the adjustment precision is high, the response speed is fast, and the working performance is obtained. It is more stable and reliable, and is not affected by the operators' own factors, and the operation is convenient and quick.

Referring to FIGS. 7 and 8, in the embodiment, an adjustment assembly 5 for adjusting the rotation angle of the second camera 2 is mounted in the main frame 3, and the adjustment assembly 5 includes a sliding seat 51 connected to the main frame 3. The sliding seat 51 is connected to the upper and lower adjusting bases 52 via the upper and lower rotating shafts 511. The sliding seat 51 is mounted with a first angle driving device for driving the upper and lower adjusting seats 52 to rotate about the upper and lower rotating shafts 511. The first angle driving device includes a drive motor and a first gear screw assembly driven by the first drive motor, the first gear screw assembly including a first reduction drive gear set 541 and a first gear 542 and a second gear 543 that mesh with each other, the first The gear 542 and the second gear 543 are each coupled with a first screw transmission mechanism that converts the rotary motion into a linear motion, the first gear 542 and the second gear 543 mesh with each other and rotate in the opposite direction, and are spiraled by the first screw transmission mechanism. The movement causes the upper and lower adjustment seats 52 to rotate about the upper and lower rotation shafts 511, and the first screw transmission mechanism is the first spiral differential head 544.

Further, the adjustment assembly 5 further includes a left and right adjustment seat 53. The upper and lower adjustment bases 52 are hinged to the left and right adjustment seats 53 by the left and right rotation shafts 521. The axis of the left and right rotation shafts 521 is perpendicular to the axis of the upper and lower rotation shafts 511, and the sliding A second angle driving device for driving the left and right adjusting seats 53 to rotate about the left and right rotating shafts 521 is mounted on the seat 51. The second angle driving device includes a second driving motor 54 and a second gear screw assembly driven by the second driving motor 54. The second gear helical assembly includes a second reduction transmission gear set 551 and a third gear 552 and a fourth gear 553 that mesh with each other, and the third gear 552 and the fourth tooth 553 are both connected to convert the rotary motion into a straight line. a moving second screw transmission mechanism, the third gear 552 and the fourth gear 553 are meshed to rotate in opposite directions, and are rotated by the second screw transmission mechanism to rotate the left and right adjustment seats 53 about the left and right rotation shafts 521, the second spiral The transmission mechanism is a second spiral differential head 554, and the first drive motor and the second drive motor 54 are both servo motors.

The adjusting unit 5 is mounted in the vertical direction of the main frame 3, and the second camera 2 is directly or indirectly mounted on the left and right adjusting seats 53. The first angle driving device drives the upper and lower adjusting seats 52 to rotate around the upper and lower rotating shafts 511 to adjust the vertical direction of the shooting lens. The directional direction, the second angle driving device drives the left and right adjusting seats 53 to rotate around the left and right rotating shafts 521 to adjust the horizontal direction angle of the photographic lens, wherein the servo motor in the adjusting assembly cooperates with the second rack 57 to drive the sliding seat 51 to traverse, The second rack 57 is fixed on the main frame 3. The upper and lower ends of the sliding base 51 are further provided with a guiding slot and a guiding slide 56 disposed in the guiding slot. The adjusting component can move left and right along the guiding slider 56. To adjust the displacement, the multi-angle adjustment of the shooting lens is achieved. The first angle driving device and the second angle driving device are driven by the servo motor, the adjustment precision is high, the response speed is fast, the working performance is more stable and reliable, and is not affected by the operator's own factors, and the operation is convenient and quick.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the configuration of the above embodiment, and as long as it achieves the technical effects of the present invention by the same means, it should fall within the scope of protection of the present invention.

Claims

A 3D image capturing device includes a main frame, and the main frame is provided with a first camera, a second camera perpendicular to the lens of the first camera, and a viewport frame with an open front end, the viewport A reflective lens is disposed in the frame, and the lenses of the first camera and the second camera are both facing the viewport frame and are respectively disposed on two sides of the reflective lens, wherein the main frame is further provided with A first driving component of the first camera lens and a second driving component for adjusting the second camera lens are mounted, and a control circuit board with a wireless communication module is mounted in the main frame.
The 3D image capturing apparatus according to claim 1, wherein said first driving component comprises a first driver and a fourth driver, said first driver and said second driver being connected side by side by said first link On the lens of the first camera, the second driving assembly includes a third driver and a fourth driver, and the third driver and the fourth driver are connected side by side to the lens of the second camera through the second link.
The 3D image capturing apparatus according to claim 1, wherein a lens of the first camera is located at a back opening of the viewport frame, and a lens of the second camera is located at a bottom opening of the viewport frame. Wherein, the reflective lenses are at an angle of 45° to the focal line of the first and second camera lenses.
The 3D image capturing apparatus according to claim 3, wherein a fine adjustment device for adjusting a rotation angle of the reflective lens is mounted in the viewport frame, and the fine adjustment device includes an upper end rotatably coupled to the front end of the viewport frame. a top lens frame, and an adjustment nut abutting against the lens frame at a lower end of the rear end of the viewport frame for urging the mirror to rotate upward, the lens frame being provided with a torsion spring for providing a downward rotation torque of the lens frame.
The 3D image capturing device according to claim 3 or 4, wherein the opening in the viewport frame is respectively provided with a light blocking mechanism at the openings of the back and the bottom, and the light blocking mechanism is formed by sliding cooperation of a plurality of grid plates. Grid assembly.
The 3D image capturing apparatus according to claim 1, wherein the first camera is mounted in a horizontal direction of the main frame by a sliding device, and the second camera is mounted to the main frame by a sliding device. In the vertical direction, the sliding device includes a sliding seat connected to the main frame, and the sliding seat is provided with a sliding slot, and the sliding slot is slidably coupled to the sliding plate.
The 3D image capturing apparatus according to claim 1 or 6, wherein a rotating component for adjusting a horizontal corner of the first camera is mounted in the main frame, and the rotating component includes a connection with the main frame. A rotating base is mounted on the upper middle end of the rotating base, and a rotating disc is mounted. The lower end of the rotating disc passes through the rotating base and is connected with a rotary driving device that drives the rotating disc to rotate.
The 3D image capturing apparatus according to claim 7, wherein the rotation driving device comprises a rotation driving motor and a rotating gear set, and the rotating gear set includes a rotating driving gear connected to an output shaft of the rotary driving motor, a conversion gear that is coupled to the rotary driving gear and a base gear that is coupled to the conversion gear, the base gear is coupled to a lower end of the rotating disk, and the rotary drive motor is a servo motor.
The 3D image capturing apparatus according to claim 1, wherein an adjustment component for adjusting a corner of the second camera is mounted in the main frame, and the adjustment component comprises a sliding seat connected to the main frame. The sliding seat is connected with an upper and lower adjusting seat through an upper and lower rotating shaft, and the sliding seat is mounted with a first angle driving device for driving the upper and lower adjusting seats to rotate about the upper and lower rotating shafts, wherein the first angle driving device comprises a first driving motor and a first gear helical assembly driven by a motor, the first gear helical assembly including a first reduction drive gear set and a first gear and a second gear that mesh with each other, the first gear and the second gear are connected The rotary motion is converted into a linear motion first screw transmission mechanism, the first gear and the second gear mesh with each other to rotate in the opposite direction, and the upper and lower adjustment seats are rotated by the first screw transmission mechanism to rotate around the upper and lower rotation shafts.
The 3D image capturing apparatus according to claim 9, wherein the adjusting component further comprises a left and right adjusting seat, wherein the upper and lower adjusting seats are hinged to the left and right adjusting seats by the left and right rotating shafts, and the axis of the left and right rotating shafts and the upper and lower rotating shafts The axis is vertical, and the sliding seat is mounted with a second angle driving device for driving the left and right adjusting seats to rotate around the left and right rotating shafts, and the second angle driving device comprises a second driving motor and a second gear spiral assembly driven by the second driving motor The second gear helical assembly includes a second reduction drive gear set and a third gear and a fourth gear that mesh with each other, and the third gear and the fourth gear are each coupled with a second spiral that converts rotational motion into linear motion. a transmission mechanism, the third gear and the fourth gear mesh with each other to rotate in the opposite direction, and move the left and right adjustment bases around the left and right rotation shafts by the movement of the second screw transmission mechanism, and the first drive motor and the second drive motor are both servos Motor.