CN218830312U - Camera device and automatic driving vehicle - Google Patents
Camera device and automatic driving vehicle Download PDFInfo
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- CN218830312U CN218830312U CN202223355851.7U CN202223355851U CN218830312U CN 218830312 U CN218830312 U CN 218830312U CN 202223355851 U CN202223355851 U CN 202223355851U CN 218830312 U CN218830312 U CN 218830312U
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Abstract
The present disclosure provides an imaging device and an autonomous vehicle. Relate to camera device field, especially relate to the camera device who is used for autonomous driving vehicle. The specific implementation scheme is as follows: the camera device comprises a lens, a shell, a movable component, an image sensor and a driving component; the movable assembly is arranged in the shell and comprises a movable platform and a base, the movable platform is movably connected with the base, and the image sensor is arranged in the movable platform; the driving assembly comprises a first driving piece and a second driving piece which are matched with each other, the first driving piece is arranged along the edge of the movable platform, and the second driving piece is arranged on the base at a position corresponding to the first driving piece; the second driving piece interacts with the first driving piece and is used for driving the movable platform to move on the base.
Description
Technical Field
The present disclosure relates to the field of camera devices, and more particularly to a camera device for an autonomous vehicle.
Background
In the production and use scenes of the automatic driving vehicle, the camera device mounted on the automatic driving vehicle needs to be matched with an automatic driving algorithm and driving requirements for adjustment and calibration, but the adjustment work of imaging of the camera device is still completed in a manual mode at present, and the manual adjustment of the camera device is poor in precision and low in efficiency and cannot adapt to the rapid production mode of the automatic driving vehicle.
SUMMERY OF THE UTILITY MODEL
The present disclosure provides a camera device and a vehicle.
The device comprises a lens, a shell, a movable component, an image sensor and a driving component;
the movable assembly is arranged in the shell and comprises a movable platform and a base, the movable platform is movably connected with the base, and the image sensor is arranged in the movable platform;
the driving assembly comprises a first driving piece and a second driving piece which are matched with each other, the first driving piece is arranged along the edge of the movable platform, and the second driving piece is arranged on the base at a position corresponding to the first driving piece;
the second driving part interacts with the first driving part and is used for driving the movable platform to move on the base;
it should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
fig. 1 is a first structural schematic diagram of an image pickup apparatus according to an embodiment of the present disclosure;
fig. 2 is a second schematic structural diagram of an image capturing apparatus according to an embodiment of the disclosure;
fig. 3 is a schematic diagram of a third structure of the image capturing apparatus according to an embodiment of the disclosure;
fig. 4 is a fourth schematic structural diagram of an image capturing apparatus according to an embodiment of the present disclosure.
Description of the reference numerals
Convex part 1011
First driving member 200
First limiting part 21
Second position-limiting element 22
Flexible flat cable 4
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
In the description of the present disclosure, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present disclosure and simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus, are not to be construed as limiting the present disclosure.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
Example 1
The present embodiment provides an image pickup apparatus 1, as shown in fig. 1 to 4, including a lens 10, a housing 11, a movable component, an image sensor 100, and a driving component;
the movable assembly is arranged in the shell 11 and comprises a movable platform 101 and a base 102, the movable platform 101 is movably connected with the base 102, and an image sensor 100 is arranged in the movable platform 101;
the driving assembly comprises a first driving member 200 and a second driving member 300 which are matched with each other, the first driving member 200 is arranged along the edge of the movable platform 101, and the second driving member 300 is arranged on the base 102 at a position corresponding to the first driving member 200;
the second driving member 300 interacts with the first driving member 200 for driving the movable platform 101 to move on the base 102.
Specifically, the imaging device 1 is disposed in a calibration environment, and when the imaging device 1 and the lens 10 thereof are fixed in position, the imaging device 1 adjusts the relative position of the image sensor 100 and the lens 10 by adjusting the movable component based on the recognizable mark, thereby realizing calibration adjustment of the imaging effect of the imaging device 1. Wherein, the driving component can be based on MEMS (Micro electro mechanical System)System microelectromechanical System) System.
In one embodiment, the lens 10 may be a spherical lens 10 based on the actual viewing range requirement.
The high-precision automatic calibration adjustment of the image sensor 100 is realized through the driving component and the movable component, the adjustment efficiency of the camera device 1 is effectively improved, and the automatic calibration adjustment device is particularly suitable for a rapid production scene of an automatic driving vehicle.
In a practical manner, the movable platform 101 is provided with a convex part 1011 on the back, and the base is provided with a convex part 1011
102 are provided with matching recesses.
Specifically, the convex portion 1011 provided on the movable platform 101 and the concave portion provided on the base 102 allow the movable platform 101 to rotate in the horizontal and/or vertical direction corresponding to the acting force based on the acting force between the first driving member 200 and the second driving member 300 with the concave portion as a fulcrum, thereby improving the stability of the movable platform 101 in motion and ensuring the imaging effect of the imaging device 1.
In one embodiment, a recess may be provided on the back of the movable platform 101 and a matching protrusion 1011 may be provided on the base 102; alternatively, the movable platform 101 and the base 102 are connected by a universal joint bearing to realize the freedom of the movable platform 101 in the horizontal and vertical directions.
As an achievable way, the convex 1011 is a spherical support point.
Specifically, based on the requirement of the position adjustment range of the image sensor 100, the spherical supporting point is matched with the base 102 to provide the maximum steering degree of freedom of the movable platform 101, and the spherical supporting point is matched with the corresponding concave portion of the base 102 to provide stability in the rotation process of the movable platform 101, thereby ensuring the imaging effect of the image pickup device 1.
In an implementation manner, the first driving members 200 are disposed at the edge of the movable platform 101 in pairs, and each pair of the first driving members 200 is aligned with the convex portion 1011.
Specifically, the first driving members 200 may be disposed at opposite side edges of the movable platform 101 in pairs, and the positions of the first driving members 200 are in the same line with the convex portions 1011 of the movable platform 101, so that the driving assemblies maintain the relative balance of the positions of the movable platform 101 and the stability of the movable platform 101 during the movement process.
In one embodiment, the movable platform 101 is a regular polygon, the convex points of the movable platform 101 are set at the geometric midpoint, and the first driving members 200 are respectively disposed on the opposite sides of the movable platform 101 based on the actual working requirement, so as to drive the movable platform 101 to move with the fulcrum formed by the convex portions 1011.
In an implementation manner, the first driving member 200 is a structure having a magnetic substance, and the second driving member 300 is a coil 301.
Specifically, the whole or part of the structure of the first driving member 200 has a magnetic substance, and the coil 301 of the second driving member 300 is energized to drive the first driving member 200 relative to the second driving member
300, the movable platform 101 is moved based on the force acting on the first driving member 200.
In one embodiment, the first driving member 200 is a ferrous structure, the second driving member 300 is a coil 301 surrounding a magnetic conductor, and when the second driving member 300 is energized, the coil 301 generates a magnetic field pair
The first driving member 200 generates an attractive force to drive the movable platform 101 to turn in a corresponding vertical direction.
In one embodiment, the first driving member 200 is a magnet, and a surface of the first driving member 200 facing the second driving member 300 is a single magnetic pole, when the second driving member 300 is powered on, the coil 301 generates a magnetic field to generate an attractive force or a repulsive force to the first driving member 200, so as to drive the movable platform 101 to turn in a corresponding vertical direction.
In one embodiment, the first driving member 200 is a magnet, two sides of the first driving member 200 facing the second driving member 300 have different magnetic poles, and when the second driving member 300 is powered on, the coil 301 generates a magnetic field to generate an attractive force and a repulsive force to the first driving member 200, so as to drive the movable platform 101 to rotate in a corresponding horizontal direction.
Through the cooperation of the different magnetic structures of the first driving part 200 and the second driving part, and the magnetic field intensity generated by the electrification of the second driving part, the flexible control and the movement precision of the rotation mode and the rotation speed of the movable platform 101 are realized, and the movable platform is applicable to different imaging requirements.
In one embodiment, the image capturing apparatus 1 further includes a storage module, and the storage module stores the electrical parameters of the driving component corresponding to the position of the calibration image sensor 100 and the electrical parameters of the driving component corresponding to different imaging requirements. The electrical parameter includes current or voltage, etc.
As one way of accomplishing this, the first driving member 200 extends outwardly in the horizontal direction of the movable platform 101.
Specifically, the first driving member 200 extends out of the movable platform 101, and the magnetic material structure is arranged at the tail end of the extending part, so that the force arm of the second driving member 300 acting on the movable platform 101 is lengthened, and the high-precision control of the movable platform 101 is realized.
In an achievable manner, the drive assembly comprises at least two pairs of first and second drives 200, 300.
Specifically, based on the requirement for the rotation direction of the image sensor 100, the first driving element 200 and the second driving element 300 are respectively disposed at a plurality of positions corresponding to the rotation direction, so as to realize fine control of the movable platform 101.
In one embodiment, the space of the movable components is fully utilized, a plurality of first driving pieces 200 are arranged at equal intervals along the edge of the movable platform 101, and corresponding second driving pieces 300 are arranged on the base 102; wherein, a part of the first driving member 200 and the second driving member 300 can be arranged to only control the horizontal rotation of the movable platform 101, and a part of the first driving member 200 and the second driving member 300 can only control the vertical turnover of the movable platform 101. To improve the stability and continuity of motion of the movable platform 101.
As an implementation manner, a limit component is further disposed on the base 102, and the limit component is used for limiting the movement range of the movable platform 101.
Specifically, on the one hand, based on the actual operational requirements for the imaging range of the image sensor 100,
the movable platform 101 is limited in the movement range corresponding to the imaging range by the limiting device, and the image output by the image sensor 100 is prevented from rotating. On the other hand, the movable assembly and the image sensor 100 are protected by the limiting device, the movable platform 101 is limited to be separated from the base 102, and the image sensor 100 is prevented from being damaged.
As an achievable mode, the limiting component includes a first limiting member 21 and a second limiting member 22;
the first limiting member 21 is used for limiting the horizontal rotation range of the movable platform 101;
the second limiting member 22 is used for limiting the turning range of the movable platform 101.
In an implementation manner, the first limiting member 21 includes a pair of limiting units, and the limiting units are disposed on two sides of the second driving member 300 and extend to two sides of the first driving member 200.
In an implementation manner, the second limiting member 22 is disposed on the base 102, and a distal end of the second limiting member 22 is higher than the movable platform 101 and extends toward the movable platform 101.
Specifically, based on the portion of the first driving member 200 extending out of the movable platform 101, the limiting unit forms a stop at two sides of the first driving member 200, so as to limit the horizontal rotation range of the movable platform 101.
In one embodiment, the ends of the pair of limiting units of the first limiting member 21 may be connected to form a stop part above the first driving member 200, and limit the horizontal rotation and turning range of the movable platform 101.
In one embodiment, the second position-limiting members 22 can be disposed on two sides of the first driving member 200 in pairs, so as to limit the horizontal rotation and turning range of the movable platform 101.
In one embodiment, the first limiting member 21 and the second limiting member 22 are elastic members, so that the motion range of the movable platform 101 is limited, and meanwhile, the impact caused in the limiting process is reduced, and the loss of each component is avoided.
In an implementation manner, the movable platform 101 and the base 102 are both PCB boards, and the movable platform 101 and the base 102 are connected by the flexible flat cable 4.
Specifically, the power supply and the electric signal transmission are performed on the image sensor 100 and the second component and other electric elements on the movable assembly through the PCB, the flexible flat cable 4 resistant to bending is arranged to connect the movable platform 101 and the base 102, the flexible flat cable 4 can be matched with the movement deformation of the movable platform 101, and the electric elements on the movable assembly stably work.
In a practical manner, the image pickup device 1 further includes an electrical connector 3, and the electrical connector 3 is electrically connected to the image sensor 100 through a flat cable.
Specifically, the imaging apparatus 1 is provided with an electrical connector as an interface for connecting the imaging apparatus 1 with an external device, including but not limited to power supply and data transmission, and the like, so that the imaging apparatus 1 is automatically controlled.
Example 2
An automatic driving vehicle comprises the camera device 1 in embodiment 1, and further comprises computer hardware equipment for realizing automatic driving, wherein the camera device 1 is electrically connected with the computer hardware equipment.
Specifically, the image pickup apparatus 1 is electrically connected to an automated driving computer hardware device through the electrical connector 3, adjusts a power supply parameter of the driving component based on an instruction of the computer hardware device, and adjusts an imaging result of the image sensor 100 by controlling an operation of the movable component.
In one embodiment, the autopilot computer hardware device stores electrical parameter data corresponding to different imaging results, and drives the image sensor 100 to obtain corresponding imaging results based on the corresponding electrical parameters while the vehicle is in operation. Automatic control of the image pickup apparatus 1 is realized.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the disclosed solution. One of ordinary skill in the art can understand and implement it without inventive effort.
Claims (14)
1. A camera device is characterized by comprising a lens, a shell, a movable component, an image sensor and a driving component;
the movable assembly is arranged in the shell and comprises a movable platform and a base, the movable platform is movably connected with the base, and the image sensor is arranged in the movable platform;
the driving assembly comprises a first driving piece and a second driving piece which are matched with each other, the first driving piece is arranged along the edge of the movable platform, and the second driving piece is arranged on the base at a position corresponding to the first driving piece;
the second driving piece interacts with the first driving piece and is used for driving the movable platform to move on the base.
2. The imaging device of claim 1, wherein the movable platform is provided with a convex portion on a back surface thereof and a matching concave portion on the base.
3. The image pickup apparatus according to claim 2, wherein said convex portion is a spherical supporting point.
4. The image pickup apparatus as set forth in claim 2, wherein the first driving members are provided in pairs at edges of the movable platform, each pair of the first driving members being in alignment with the convex portion.
5. The image pickup apparatus according to any one of claims 1 to 4, wherein said first driving member is a structure having a magnetic substance, and said second driving member is a coil.
6. The image pickup apparatus as set forth in claim 5, wherein said first driving member extends outward in a horizontal direction of said movable platform.
7. The image capture device of claim 5, wherein the drive assembly comprises at least two pairs of the first drive member and the second drive member.
8. The camera device according to claim 5, wherein a limiting component is further disposed on the base, and the limiting component is configured to limit a range of motion of the movable platform.
9. The imaging device of claim 8, wherein the limiting assembly comprises a first limiting member and a second limiting member;
the first limiting part is used for limiting the horizontal rotation range of the movable platform;
the second limiting part is used for limiting the vertical turning range of the movable platform.
10. The image pickup apparatus according to claim 9, wherein the first stopper includes a pair of stopper units provided on both sides of the second driving member and extending to both sides of the first driving member.
11. The imaging device according to claim 9, wherein the second limiting member is provided on the base, and a distal end of the second limiting member is higher than the movable platform and extends toward the movable platform.
12. The camera device according to claim 1, wherein the movable platform and the base are both PCB boards, and the movable platform and the base are connected by a flexible flat cable.
13. The camera device of claim 12, further comprising an electrical connector electrically connected to the image sensor by a flex cable.
14. An autonomous vehicle, characterized in that it comprises a camera device according to any one of claims 1 to 13, the vehicle further comprising a computer hardware device for implementing autonomous driving, the camera device being electrically connected to the computer hardware device.
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CN202223355851.7U CN218830312U (en) | 2022-12-14 | 2022-12-14 | Camera device and automatic driving vehicle |
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CN202223355851.7U CN218830312U (en) | 2022-12-14 | 2022-12-14 | Camera device and automatic driving vehicle |
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CN218830312U true CN218830312U (en) | 2023-04-07 |
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