WO2017107432A1

WO2017107432A1 - Stereo camera

Info

Publication number: WO2017107432A1
Application number: PCT/CN2016/088312
Authority: WO
Inventors: 楚明磊
Original assignee: 乐视控股（北京）有限公司; 乐视移动智能信息技术（北京）有限公司
Priority date: 2015-12-21
Filing date: 2016-07-04
Publication date: 2017-06-29
Also published as: CN205566535U

Abstract

The present application provides a stereo camera, comprising: multiple lenses; a gear set, wherein the gear set comprises multiple gears that are engaged with each other, and a lens is fixed on the end face of each gear; multiple connection rods for fixing the multiple gears, wherein the multiple connection rods are one-to-one correspondingly connected with the multiple gears. The ends of the connection rods are fixedly connected to the end faces of the gears facing away from the lenses, and the connection rod and the gear that are connected with each other are coaxially provided. The stereo camera provided by the present application has an improved photographing effect, the viewing angles of lenses and included angles between different lenses can be flexibly adjusted, and associations between the stereo camera and other devices are increased.

Description

Stereo camera

The present application claims priority to Chinese Patent Application No. 201521083859.X, entitled "A Stereo Camera" on December 21, 2015, the entire contents of which is incorporated herein by reference. .

Technical field

The present application relates to a photographing apparatus, and more particularly to a stereo camera.

Background technique

With the development of 3D display technology and virtual display technology, the way people obtain picture information is not limited to the flat display mode. Compared with the traditional flat display mode, the stereoscopic image displayed by the stereo display mode can provide more information. It plays an important role in the fields of scientific research, production, medical care, aerospace and entertainment. Therefore, stereoscopic displays are increasingly favored by people all over the world, and one of the important means of obtaining stereoscopic images is to take pictures with stereo cameras.

In the prior art, a conventional stereo camera generally acquires information in a three-dimensional space through two cameras. In practical applications, there are the following problems: First, once the stereo camera is formed, the relative position between the two cameras is fixed. During the specific shooting process, it is very inconvenient to adjust the angle between the two cameras, waste a lot of time, and need to be recalibrated after each adjustment, which seriously affects people's shooting experience; second, once the camera is After being fixed on the stereo camera, the camera cannot be taken out, resulting in poor correlation between the camera and other devices, making the camera unusable on different devices.

technical problem

The present application provides a stereo camera to solve the above problems, improve the shooting effect, and conveniently adjust the angle between the camera and the angle between the camera and other devices, and increase the correlation between the stereo camera and other devices.

Technical solution

The application provides a stereo camera, including:

Multiple cameras;

a gear set, the gear set includes a plurality of gears, a plurality of the gears meshing with each other, and the camera is fixed on an end surface of each gear;

a plurality of connecting rods for fixing a plurality of the gears, wherein the plurality of connecting rods are connected in one-to-one correspondence with the plurality of gears; wherein an end of the connecting rod is fixedly connected to the gear The connecting rods and the gears that are connected to each other on the end faces of the camera are disposed coaxially.

A stereo camera as described above, wherein it is preferable that the number of the cameras is two.

The stereo camera as described above, wherein preferably, further comprising: a transverse connecting shaft, wherein the plurality of connecting rods are rotatably coupled to the lateral connecting shaft, each of the connecting rods and the transverse connecting shaft The relative axis of rotation between the two coincides with the central axis of the connecting rod.

The stereo camera as described above, wherein, preferably, the lateral connecting shaft is provided with a plurality of mounting holes, and the plurality of connecting rods are respectively disposed in a plurality of the mounting holes in a one-to-one correspondence manner, and each The inner surface of the mounting hole is in clearance fit with the outer surface of the connecting rod to which it is attached.

A stereo camera as described above, wherein preferably, further comprising: a strut rotatably coupled to the transverse connecting shaft, a relative rotational axis between the strut and the lateral connecting shaft The central axes of the transverse connecting shafts coincide.

In the stereo camera as described above, it is preferable that two connecting pieces extend from the lateral connecting shaft, and two connecting pieces are oppositely disposed; the two connecting pieces are respectively provided with a first connecting hole and a second connecting hole, The first connecting hole and the second connecting hole are axially aligned; the strut is disposed between two connecting pieces, and the strut is in the first connecting hole and the second connecting hole axis A third connecting hole is opened in the direction of the alignment; and is fastened by the bolt through the first connecting hole, the third connecting hole and the second connecting hole in sequence.

A stereo camera as described above, wherein it is preferable that an outer surface of the strut is gap-fitted with inner surfaces of the two connecting pieces.

A stereo camera as described above, wherein it is preferable that the connecting rod is welded at a center position of the gear.

A stereo camera as described above, wherein it is preferable that the camera is fixed at a center position of the gear.

In the stereo camera as described above, it is preferable that the plurality of gears have the same radius and the same number of teeth.

Beneficial effect

The stereo camera provided by the present application includes a plurality of cameras for acquiring images, and a plurality of the cameras are fixed on gears that mesh with each other in the gear set, and the cameras fixed to the gears can be rotated by mutual rotation between the gears. With the rotation, the camera angle of the camera is adjustable in the horizontal direction. The stereo camera provided in the present application further includes a connecting rod, which can be fixed to the connecting rod by detachably fixing the other end of the connecting rod to other devices. The position of the gears is fixed, thereby ensuring the relative position of the plurality of gears in the gear set. In addition, it is also possible to have a certain inclination angle in the vertical direction when the other end of the connecting rod is fixed, so that the camera of the stereo camera has a certain inclination angle in the vertical direction, by changing the other end of the connecting rod The angle is inclined to achieve an effect of adjusting the imaging angle of the stereo camera in the vertical direction. The stereo camera provided by the embodiment of the present invention can flexibly adjust the angle of the camera and the angle of view in the horizontal and vertical directions, thereby increasing the correlation between the stereo camera and other devices.

DRAWINGS

1 is a front view of a stereo camera according to an embodiment of the present application;

Figure 2 is a side elevational view of Figure 1 after being rotated a certain angle in the vertical direction;

Figure 3 is a plan view of Figure 1.

Embodiments of the invention

The present application will be described in detail below with reference to the embodiments. The same components are denoted by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, the words "inside" and "outside" "Respectively refers to the direction toward or away from the geometric center of a particular component.

1 is a front view of a stereo camera according to an embodiment of the present invention, and FIG. 2 is a side view of FIG. 1 rotated a certain angle in a vertical direction, and FIG. 3 is a plan view of FIG. As can be seen from FIG. 1 to FIG. 3 , the embodiment of the present application provides a stereo camera 1 including a plurality of cameras 11 , a gear set 12 , and a plurality of connecting rods 13 for fixing a plurality of gears 121 .

The gear set 12 includes a plurality of gears 121. The plurality of gears 121 mesh with each other. The camera 11 is fixed to an end surface of each of the gears 121. The plurality of connecting rods 13 and the plurality of gears 121 are one by one. Correspondingly connected; wherein the end of the connecting rod 131 is fixedly connected to the end surface of the gear 121 facing away from the camera 11, and the connecting rod 13 and the gear 121 connected to each other are disposed coaxially.

Referring to FIG. 1 to FIG. 3 simultaneously, the stereo camera 1 provided by the embodiment of the present application includes a plurality of cameras 11 for acquiring images, and a plurality of the cameras 11 are fixed on the gears 121 engaged with each other in the gear set 12. By the mutual rotation between the gears 121, the camera 11 fixed to the gear 121 can be rotated accordingly, and the imaging angle of the camera 11 can be adjusted in the horizontal direction. The stereo camera 1 provided by the embodiment of the present application further includes a connecting rod 13 , and the position of the gear 121 fixedly connected to the connecting rod 13 can be fixed by detachably fixing the other end of the connecting rod 13 to other devices. The fixing of the relative positions of the plurality of gears 121 in the gear set 12 is ensured. At the same time, in order to prevent the gear 121 from being tilted after the connecting rod 13 is connected to the gear 121, the stereo camera 1 provided in the embodiment of the present invention coaxially sets the connecting rod 13 and the gear 121 connected to each other. In addition, it is also possible to have a certain inclination angle in the vertical direction when the other end of the connecting rod 13 is fixed, so that the camera 11 of the stereo camera 1 has a certain inclination angle in the vertical direction, by changing the connecting rod 13 The angle of inclination of the other end is such that the effect of adjusting the imaging angle of the stereo camera 1 in the vertical direction is achieved. The stereo camera 1 provided by the embodiment of the present invention can flexibly adjust the angle between the cameras 11 and the angle of view of the camera 11 in the horizontal and vertical directions, thereby increasing the correlation between the stereo camera 1 and other devices.

On the basis of the above embodiment, the number of the cameras 11 is two. The number of the stereo cameras 11 is set to two lens setting modes of the currently more stereo cameras, which are easy to be associated with other devices while satisfying the shooting requirements, and can simplify the setting of the gear set 12 directly. It suffices to set the number of the gears 121 to two, which reduces the production cost. In the actual shooting process, the gear 121 can be rotated according to the shooting requirements, and the angle of view of the camera 11 fixedly coupled to the gear 121 can be adjusted. It can be understood by those skilled in the art that the number of the cameras 11 is not limited to two, and can be flexibly set according to actual shooting requirements.

Preferably, the stereo camera 1 provided by the embodiment of the present application further includes a lateral connecting shaft 14 , and the plurality of connecting rods 13 are rotatably connected to the lateral connecting shaft 14 , and each of the connecting rods 13 and the connecting rod 13 The relative rotational axes between the transverse connecting shafts 14 coincide with the central axis of the connecting rod 13. The embodiment of the present application achieves the effect of fixing a plurality of connecting rods 13 by providing a transverse connecting shaft 14, which is compact and integrated, and is disposed between each of the connecting rods 13 and the lateral connecting shaft 14. The axis of relative rotation coincides with the central axis of the connecting rod 13 to ensure that a plurality of the connecting rods 13 are arranged in parallel to achieve the purpose of smoothly fixing the connecting rod 13 to the transverse connecting shaft 14. At the same time, a plurality of connecting rods 13 are simultaneously fixed on one transverse connecting shaft 14, so as to fix the relative position of the gear 121 fixed to the connecting rod 13, when the stereo camera 1 is moved, the gear 121 in the gear set 12 is not Separation occurs, ensuring the stability of the gear set 12.

Further, the lateral connecting shaft 14 is provided with a plurality of mounting holes (not shown), and the plurality of connecting rods 13 are respectively disposed in a plurality of the mounting holes, and each of the mounting holes The inner surface of the hole is in clearance fit with the outer surface of each of the connecting rods 13 of the connecting rod 13 to which it is connected. Since the gear set 12 to which the camera 11 is fixed is required to capture an image according to the orientation of the specific image or the size of the specific image, the gear 121 is rotated to adjust the angle of the camera 11 and the angle between adjacent cameras due to the connecting rod. 13 is fixedly connected to the gear 121. When the gear 121 rotates, the connecting rod 13 also rotates, in order to ensure that the transverse connecting shaft 14 connected to the other end of the connecting rod 13 rotates on the gear 121. When the plurality of the connecting rods 13 are respectively disposed in the plurality of the mounting holes, the connecting rods of the lateral connecting shaft 14 and the connecting rod 13 are connected to each other. The surface is arranged to be in clearance fit with the outer surface of the connecting rod 13 to which it is attached. When the gear 121 rotates, the gear 121 only drives the connecting rod 13 to rotate without affecting the position of the lateral connecting shaft 14.

Further, the stereo camera 1 provided by the embodiment of the present application further includes a strut 15 rotatably connected to the lateral connecting shaft 14 , and between the strut 15 and the lateral connecting shaft 14 The relative axis of rotation coincides with the central axis of the transverse connecting shaft 14. The struts 15 are disposed in rotational connection with the lateral connecting shaft 14, which can further increase the flexibility of the camera 11 in the vertical direction, directly passing through the struts 15 and the lateral connecting shaft 14 With the angle in the vertical direction, the shooting angle of the camera 11 in the vertical direction can be adjusted, and the adjustment is quick and dexterous, and the adjustment angle range is wide.

On the basis of the above-mentioned embodiment, two connecting pieces (not shown) are extended on the lateral connecting shaft 14, and the two connecting pieces are oppositely disposed, and the two connecting pieces are respectively provided with first connecting holes ( Not shown) and a second connecting hole (not shown), the first connecting hole and the second connecting hole are axially aligned, and the strut 15 is disposed between two connecting pieces, the strut A third connecting hole (not shown) is opened in a direction axially aligned with the first connecting hole and the second connecting hole. The bolt is fastened through the first connecting hole, the third connecting hole and the second connecting hole in sequence. When the above-mentioned connection mode needs to adjust the angle, the fastening nut on the bolt can be removed, and the angle between the strut 15 and the transverse connecting shaft 14 is readjusted according to the angle required by the camera 11, and after adjustment, Reinstall the nut on the bolt on the bolt and tighten the nut to ensure that the rod 15 does not rotate. The screwing method is a relatively simple, low-cost and easy to adjust angle. It will be understood by those skilled in the art that the connection between the strut 15 and the transverse connecting shaft 14 is not limited thereto, and the angle between the lateral connecting shaft 14 and the strut 15 can be ensured. Adjustable, and at the same time, after the angle is adjusted, it can be fixed.

Preferably, the outer surface of the strut 15 is in clearance fit with the inner surfaces of the two connecting pieces. The outer surface of the strut 15 is disposed to be spaced-fitted with the gap between the inner surfaces of the two connecting pieces, thereby ensuring that the strut 15 can flexibly flex from the two sides of the transverse connecting shaft 14 during the disassembly process. The gap between the connecting pieces is extracted, and at the same time, during the fastening of the strut 15 and the two connecting pieces, the outer surface of the strut 15 can be pressed with the nut under the slight squeeze of the nut. The joints of the inner surfaces of the connecting pieces reduce the degree of bending of the two connecting pieces during fastening, and the service life of the two connecting pieces is improved.

On the basis of the above embodiment, the connecting rod 13 is welded at the center position of the gear 121. Welding the connecting rod 13 at the center position of the gear 121 facilitates the tilting of the gear 121 in the horizontal direction after the fixed connection with the connecting rod 13 , thereby improving the meshing of the gear 121 in the gear set 12 . The degree, and the smoothness of the gear set 12 during the adjustment process.

Further, the camera 11 is fixed at a central position of the gear 121. Since the camera 11 has a certain weight, the position of the camera 11 is set at the center position of the gear 121, so that the gear 121 can be ensured. Tilting occurs under uneven force conditions, and the degree of meshing between the gears 121 is improved.

The radius of the gear 121 and the number of teeth of the gear set 12 can be variously arranged, and can be flexibly set according to the shooting angle of the camera 11 fixed on the gear 121. Preferably, the plurality of gears 121 have the same radius and the gears 121 are also the same. With this arrangement, it can be ensured that after controlling a single gear 121 to rotate a certain angle, the other gears 121 in the gear set 12 can simultaneously rotate the same angle, which facilitates the overall manipulation of the gear set 12 and improves the adjustment efficiency.

In addition, each of the cameras 11 in the stereo camera 1 provided by the embodiment of the present application extends a data line 16 for transmitting data and a power line 17 for supplying power to the camera 11, and those skilled in the art It can be understood that the camera 11 can also be provided with other acquisition and transmission modes, such as a memory card. Similarly, the camera 11 can also be provided with other power supply modes, such as a battery.

The stereo camera 1 provided by the embodiment of the present application includes a plurality of cameras 11 for acquiring images, and a plurality of the cameras 11 are fixed on the gears 121 engaged with each other in the gear set 12, and mutually rotated by the gears 121. The camera 11 fixed to the gear 121 can be rotated, and the imaging angle of the camera 11 can be adjusted in the horizontal direction. The stereo camera 1 provided in the embodiment of the present application further includes a connecting rod 13 through which the connecting rod 13 is attached. One end is detachably fixed to other equipment, and the position of the gear 121 fixed to the connecting rod 13 can be fixed, thereby ensuring the fixing of the relative positions of the plurality of gears 121 in the gear set 12. In addition, it is also possible to have a certain inclination angle in the vertical direction when the other end of the connecting rod 13 is fixed, so that the camera 11 of the stereo camera 1 has a certain inclination angle in the vertical direction, by changing the connecting rod 13 The angle of inclination of the other end is such that the effect of adjusting the imaging angle of the stereo camera 1 in the vertical direction is achieved. The stereo camera 1 provided by the embodiment of the present invention can flexibly adjust the angle of the camera 11 and the angle of view in the horizontal and vertical directions, thereby increasing the correlation between the stereo camera 1 and other devices.

Finally, it should be noted that the above embodiments are only used to explain the technical solutions of the present application, and are not limited thereto; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still The technical solutions described in the foregoing embodiments are modified, or some of the technical features are replaced by equivalents; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present application.

Claims

A stereo camera, characterized in that:

Multiple cameras;

a gear set, the gear set includes a plurality of gears, a plurality of the gears meshing with each other, and the camera is fixed on an end surface of each gear;

a plurality of connecting rods for fixing a plurality of the gears, wherein the plurality of connecting rods are connected in one-to-one correspondence with the plurality of gears; wherein an end of the connecting rod is fixedly connected to the gear The connecting rods and the gears that are connected to each other on the end faces of the camera are disposed coaxially.
The stereo camera according to claim 1, wherein the number of the cameras is two.
A stereo camera according to claim 1, further comprising a lateral connecting shaft, wherein said plurality of connecting rods are rotatably coupled to said transverse connecting shaft, each of said connecting rods being connected to said transverse direction The relative axis of rotation between the shafts coincides with the central axis of the connecting rod.
The stereo camera according to claim 3, wherein the lateral connecting shaft is provided with a plurality of mounting holes, and the plurality of connecting rods are respectively disposed in a plurality of the mounting holes in a one-to-one correspondence manner, and each The inner surfaces of the mounting holes are in clearance fit with the outer surfaces of the connecting rods to which they are attached.
A stereo camera according to claim 4, further comprising a strut rotatably coupled to said transverse connecting shaft, a relative rotational axis between said strut and said transverse connecting shaft It coincides with the central axis of the transverse connecting shaft.
The stereo camera according to claim 3, wherein two connecting pieces extend from the lateral connecting shaft, and two connecting pieces are oppositely disposed; the first connecting holes and the second connecting holes are respectively formed on the two connecting pieces. The first connecting hole and the second connecting hole are axially aligned; the strut is disposed between two connecting pieces, and the strut is in the first connecting hole and the second connecting hole A third connecting hole is opened in the direction of the axial alignment; and is fastened by the bolt through the first connecting hole, the third connecting hole and the second connecting hole in sequence.
The stereo camera according to claim 5, wherein an outer surface of said strut is gap-fitted with an inner surface of said two connecting pieces.
A stereo camera according to any one of claims 1 to 7, wherein the connecting rod is welded at a center position of the gear.
A stereo camera according to any one of claims 1 to 7, wherein the camera is fixed at a center position of the gear.
The stereo camera according to any one of claims 1 to 7, wherein the plurality of gears have the same radius and the same number of teeth.