CN213990779U

CN213990779U - Rotating shaft type angle-adjustable camera

Info

Publication number: CN213990779U
Application number: CN202023138093.4U
Authority: CN
Inventors: 顾一新; 秦善旺; 李滔
Original assignee: Dongguan Zhengyang Electronic Mechanical Co ltd
Current assignee: Guangdong Zhengyang Sensor Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-17
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a rotary shaft type angle-adjustable camera, which comprises a base, a lens module and an angle adjusting component, wherein the lens module is arranged on the base, and the angle adjusting component is connected with the lens module; the angle adjusting component comprises a rotating shaft and a fixing device, and the lens module is connected to the rotating shaft; one side of the base is provided with a mounting hole, and one end of the rotating shaft is rotatably mounted in the mounting hole through the fixing device; the other end of the rotating shaft is fixed in the other side of the base and does not extend out of the base; therefore, the angle adjustable design of the camera is realized, the angle of the lens aligned to the road surface can be flexibly and rapidly adjusted in the installation and debugging process of the vehicle driving auxiliary equipment, the optimal stability of the camera can be kept after the optimal alignment angle of the lens is determined, and misjudgment of detection and monitoring can not occur due to unstable position and posture of the camera.

Description

Rotating shaft type angle-adjustable camera

Technical Field

The utility model relates to a camera field technique especially indicates a pivot formula angle regulation's camera, and its intelligent driving auxiliary system who is mainly applied to in the vehicle automatic driving.

Background

In the field of automatic Driving of vehicles, Advanced Driving Assistance Systems (ADAS) utilize a camera (e.g., a forward road condition detection camera) mounted on a front windshield of a vehicle, sense Driving conditions and surrounding environments of the vehicle in real time during Driving of the vehicle, collect data, identify static and dynamic objects, detect and track the static and dynamic objects, and implement operation and analysis on a System level by combining devices and systems such as a Digital Video Recorder (DVR) and a Driver Status Monitor System (DSM), so that a Driver can detect possible dangers in advance, comfort and safety of Driving of the vehicle are effectively increased, and probability of accidents is reduced.

However, the existing devices such as ADAS in the market at present have defects and shortcomings in many aspects such as installation and debugging and function realization. For example, there are a variety of vehicle driving assistance apparatuses in the related art, which include a camera. In the installation process of the vehicle driving assistance device, the angle of the camera aligned with the front road surface cannot be properly adjusted according to the vehicle type, and the adaptability cannot be increased according to the actual application scene of the device. For example, in order to obtain an optimal view, the angle at which the camera is aimed at the road surface should be different for large trucks and small trucks, and the angle of the lens must be adjusted in order to find the optimal angle. In addition, after the vehicle driving assistance device is installed and fixed, parameter calibration needs to be performed on the vehicle driving assistance device, and it is very important to keep the camera at the optimal stability, so that the vehicle driving assistance device has optimal accuracy in detection and monitoring applications.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a rotary-shaft angle-adjustable camera, which can not only flexibly and rapidly adjust the angle of the lens to the road surface in the installation and debugging process of the vehicle driving auxiliary device, but also maintain the optimal stability of the camera after determining the optimal alignment angle of the lens, and avoid the erroneous judgment of detection and monitoring due to the unstable position and posture of the camera.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary shaft type angle-adjustable camera comprises a base, a lens module and an angle adjusting component, wherein the lens module is arranged on the base, and the angle adjusting component is connected with the lens module;

the angle adjusting component comprises a rotating shaft and a fixing device, and the lens module is connected to the rotating shaft; one side of the base is provided with a mounting hole, and one end of the rotating shaft is rotatably mounted in the mounting hole through the fixing device; the other end of the rotating shaft is fixed in the other side of the base and does not extend out of the base.

Preferably, the fixing device includes a fixing seat, and the fixing seat is fixed to the side of the base, where the mounting hole is formed.

Preferably, the fixing seat has a through hole with two ends penetrating through, and is used for accommodating one end of the rotating shaft to enter.

Preferably, the fixing device further comprises a clamping element, wherein the clamping element is of a hollow structure; one end and/or two ends of the clamping element are/is/are grooved so as to form an elastic clamping part; one end of the rotating shaft penetrates through the fixed seat and extends into the elastic clamping part of the clamping element.

As a preferable scheme, the clamping element is sleeved between the rotating shaft and the fixed seat.

Preferably, the resilient clamping portion is thicker than the head portion of the clamping element.

As a preferable scheme, the fixing device further comprises a retaining member, the retaining member is of a hollow structure, and the space at the tail part of the retaining member is larger than the space at the head part of the retaining member; the tail part of the locking piece can selectively act on the elastic clamping part so that the elastic clamping part can be elastically deformed inwards or outwards to clamp or release the rotating shaft.

Preferably, the locking member has an internal thread for threaded connection with an external thread of the holder.

As a preferred scheme, angle adjustment part still includes screw, stationary blade, be provided with the screw hole on the base, the stationary blade is provided with the through-hole, the screw passes the through-hole of stationary blade with the screw jogged joint of base is fixed, the rotatable formula of the other end of pivot is located the below of stationary blade.

As a preferred scheme, an arc groove is formed in the fixing piece and/or the base, and the other end of the rotating shaft is positioned in the arc groove.

As a preferred scheme, the lens module is connected with a circuit board assembly, and the circuit board assembly is used for processing the image collected by the lens module.

As a preferred scheme, a middle frame and an upper cover are connected above the base, the middle frame is wrapped outside the lens module, and the upper cover is arranged outside the middle frame.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the lens module is connected with the angle adjusting component which is rotatably fixed on the base, the angle adjusting component comprises a rotating shaft and a fixing device, and the lens module is connected with the rotating shaft; one side of the base is provided with a mounting hole, and one end of the rotating shaft is rotatably mounted in the mounting hole through the fixing device; the other end of pivot is fixed in the opposite side of base and do not stretch out the base to make its angle adjustable design that has realized the camera, make it can satisfy the demand of angle adjustment in certain extent, not only can adjust the angle that the camera lens aimed at the road surface in a flexible way fast in the installation of vehicle driving auxiliary assembly and debugging process, the pivot can bear the weight of camera better moreover, can make the fixed of camera more firm, can let the camera keep best stability after confirming the best alignment angle of camera lens, and can not take place to detect and the erroneous judgement of control because camera position and gesture are unstable.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a partial assembly view of the embodiment of the present invention with the upper cover and the adhesive backed member removed;

fig. 3 is another angular schematic view of the structure shown in fig. 2.

The attached drawings indicate the following:

1. upper cover 2, middle frame

3. Base 301, mounting hole

4. Lens module 401 and lens

402. Mounting housing 5, angle adjusting member

501. Screw 502, fixing piece

503. Fixing base 504 and clamping element

505. Nut 506 and rotating shaft

507. Elastic clamping part 6, gum component.

Detailed Description

Fig. 1 to fig. 3 show specific structures of embodiments of the present invention.

A rotary shaft type angle-adjustable camera comprises a base 3, a lens module 4 and an angle adjusting component 5, wherein the lens module 4 is arranged on the base 3, and the angle adjusting component 5 is connected with the lens module 4; the angle adjusting component 5 comprises a rotating shaft 506 and a fixing device, and the lens module 4 is connected to the rotating shaft 506; one side of the base 3 is provided with a mounting hole 301, and one end of the rotating shaft 506 is rotatably mounted in the mounting hole 301 through the fixing device; the other end of the rotating shaft 506 is fixed in the other side of the base 3 and does not extend out of the base 3.

Specifically, the fixing device comprises a fixing seat 503, a clamping element 504 and a locking member, wherein the fixing seat 503 is fixed on one side of the base 3 with the mounting hole 301; the fixed seat 503 has a through hole with two ends penetrating through, and is used for accommodating one end of the rotating shaft 506 to enter; the clamping element 504 is a hollow structure; the clamping element 504 is slotted at one and/or both ends to form a resilient grip 507; one end of the rotating shaft 506 passes through the fixed seat 503 and extends into the elastic clamping part 507 of the clamping element 504; the clamping element 504 is sleeved between the rotating shaft 506 and the fixing seat 503; the resilient grip 507 is thicker than the head of the clamping element 504; the retaining member is of a hollow structure, and the space at the tail part of the retaining member is larger than the space at the head part of the retaining member; the tail of the locking member may selectively act on the resilient retaining portion 507 to resiliently deform the resilient retaining portion 507 inwardly or outwardly to provide a grip or release of the shaft 506.

In order to prevent the rotation shaft 506 from loosening due to long-term vibration, the outer surface of the connection section between the lens module 4 and the rotation shaft 506 is processed to be roughened so as to increase the friction force. For example, the connecting section can be put into an etching solution to be etched for a period of time, so that an uneven surface is formed, and the surface roughness is increased; or knurling is arranged on the surface of the connecting section to increase friction force.

The fixed seat 503 is provided with an external thread, the locking member is provided with an internal thread, and the external thread is connected with the internal thread; thus, a screw locking structure is formed between the locking member and the fixing base 503. The retaining member is preferably a nut 505; the head of the nut 505 is preferably of a hexagonal socket configuration, although the head of the nut 505 may be of other configurations.

The angle adjusting part 5 further comprises a screw 501 and a fixing plate 502, the base 3 is provided with a screw hole, the fixing plate 502 is provided with a through hole, the screw 501 penetrates through the through hole of the fixing plate 502 to be fixedly connected with the screw hole of the base 3, and the other end of the rotating shaft 506 is rotatably positioned below the fixing plate 502; an arc groove is formed in the fixing plate 502 and/or the base 3, and the other end of the rotating shaft 506 is positioned in the arc groove. And, the other end of the rotating shaft 506 is provided with a groove and/or a boss or has a rough surface on the outer surface to cooperate with the limiting part on the base 3 to limit the axial movement of the lens module 4. In this embodiment, the shape of the arc groove is preferably an ellipse or an arc, but the shape of the arc groove is not limited to the above shape.

In this embodiment, a middle frame 2 is connected above the base 3, the middle frame 2 covers the lens module 4, an upper cover 1 is further connected above the base 3, and the upper cover 1 covers the middle frame 2; an opening is arranged below the base 3 and used for accommodating the lens module 4 to enter and exposing the lens 401 outside the base 3; the lens module 4 comprises a lens 401 and a mounting shell 402, the rotating shaft 506 passes through the mounting shell 402 to be connected with the lens module 4, the upper end of the lens 401 is installed in the mounting shell 402 through threads and does not contact with the rotating shaft, and the lower end of the lens 401 is exposed out of the opening of the base; the back adhesive part 6 is arranged below the base 3, so that the camera can be fixed on the windshield in the automobile as a vehicle-mounted front-view camera through the back adhesive part 6, and the camera faces to the right front at the position behind or below the rearview mirror and in the middle of the windshield in the automobile.

It should be noted that the lens module 4 is fixed to the rotating shaft 506, and it does not necessarily need to fix the middle position of the rotating shaft 506, and may also be fixed to the left or right position as long as the rotation adjustment of the rotating shaft 506 is not affected; in this embodiment, the lens module 4 is fixed at the middle position of the rotation shaft 506 for symmetry.

The upper portion of the middle frame 2 is provided with a circular arc-shaped track structure, the track structure is arranged right opposite to the lens module 4, scales are marked on the track structure and used for displaying the adjusting angle of the camera, and the angle range which can be adjusted by the lens module 4 is 0-63 degrees.

The lens module 4 is connected with a circuit board assembly, and the circuit board assembly is used for processing the image collected by the lens module 4; the circuit board assembly is fixed on the lens module 4 in a screw mode; the circuit board assembly is a finished product formed on an integrated Printed Circuit Board (PCB) of electronic components such as a CMOS sensor, a DSP chip and the like, and images acquired by the camera are processed through a DSP graphic processor on the circuit board assembly. Wherein, the light of outside gets into the CMOS sensor in the circuit board subassembly through camera 401, and the CMOS sensor can be with light signal conversion electrical signal, then gives DSP graphics processor with electrical signal transmission and handles.

The general working principle is as follows:

when the angle of the lens 401 needs to be adjusted, the nut 505 on the angle adjusting member 5 is loosened, the nut 505 releases the elastic clamping portion 507 of the clamping member 504, so that the elastic clamping portion 507 is elastically deformed outwards to loosen the rotating shaft 506, and then the rotating shaft 506 is manually rotated to adjust the rotation angle of the lens module 4; after the angle of the lens 401 is adjusted, the nut 505 is screwed, so that the nut 505 acts inward again on the fixing base 503 and the elastic clamping portion 507 of the clamping element 504 between the nut 505, and the elastic clamping portion 507 is elastically deformed inward to clamp the rotating shaft 506, thereby locking the lens module 4.

To sum up, the design of the present invention is characterized in that the lens module is connected with an angle adjusting component which is rotatably fixed on the base, the angle adjusting component comprises a rotating shaft and a fixing device, and the lens module is connected with the rotating shaft; one side of the base is provided with a mounting hole, and one end of the rotating shaft is rotatably mounted in the mounting hole through the fixing device; the other end of pivot is fixed in the opposite side of base and do not stretch out the base to make its angle adjustable design that has realized the camera, make it can satisfy the demand of angle adjustment in certain extent, not only can adjust the angle that the camera lens aimed at the road surface in a flexible way fast in the installation of vehicle driving auxiliary assembly and debugging process, the pivot can bear the weight of camera better moreover, can make the fixed of camera more firm, can let the camera keep best stability after confirming the best alignment angle of camera lens, and can not take place to detect and the erroneous judgement of control because camera position and gesture are unstable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a pivot formula adjustable angle's camera which characterized in that: the camera lens comprises a base, a lens module and an angle adjusting component, wherein the lens module is arranged on the base, and the angle adjusting component is connected with the lens module;

2. The rotary-shaft-type angle-adjustable camera head according to claim 1, characterized in that: the fixing device comprises a fixing seat, and the fixing seat is fixed on one side of the base, which is provided with the mounting hole.

3. The rotary-shaft-type angle-adjustable camera according to claim 2, characterized in that: the fixing seat is provided with a through hole with two ends penetrating through and used for accommodating one end of the rotating shaft to enter.

4. The rotary-shaft-type angle-adjustable camera according to claim 2, characterized in that: the fixing device further comprises a clamping element, and the clamping element is of a hollow structure; one end and/or two ends of the clamping element are/is/are grooved so as to form an elastic clamping part; one end of the rotating shaft penetrates through the fixed seat and extends into the elastic clamping part of the clamping element.

5. The rotary-shaft-type angle-adjustable camera according to claim 4, characterized in that: the clamping element is sleeved between the rotating shaft and the fixed seat.

6. The rotary-shaft-type angle-adjustable camera according to claim 4, characterized in that: the resilient clamping portion is thicker than the head portion of the clamping element.

7. The rotary-shaft-type angle-adjustable camera according to claim 4, characterized in that: the fixing device further comprises a locking piece, the locking piece is of a hollow structure, and the space at the tail part of the locking piece is larger than the space at the head part of the locking piece; the tail part of the locking piece can selectively act on the elastic clamping part so that the elastic clamping part can be elastically deformed inwards or outwards to clamp or release the rotating shaft.

8. The rotary-shaft-type angle-adjustable camera according to claim 7, characterized in that: the locking piece is provided with an internal thread and is used for being in threaded connection with the external thread of the fixed seat.

9. The rotary-shaft-type angle-adjustable camera head according to claim 1, characterized in that: the angle adjusting part further comprises a screw and a fixing plate, a screw hole is formed in the base, a through hole is formed in the fixing plate, the screw penetrates through the through hole of the fixing plate and is fixedly connected with the screw hole of the base, and the other end of the rotating shaft can be rotatably positioned below the fixing plate.

10. The rotary-shaft-type angle-adjustable camera head according to claim 9, characterized in that: the fixing piece and/or the base are/is provided with an arc groove, and the other end of the rotating shaft is positioned in the arc groove.

11. The rotary-shaft-type angle-adjustable camera head according to claim 1, characterized in that: the lens module is connected with a circuit board assembly, and the circuit board assembly is used for processing the image collected by the lens module.

12. The rotary-shaft-type angle-adjustable camera head according to claim 1, characterized in that: the upper portion of the base is connected with a middle frame and an upper cover, the middle frame is wrapped outside the lens module, and the upper cover is covered outside the middle frame.