CN212873571U

CN212873571U - Calibration camera device

Info

Publication number: CN212873571U
Application number: CN202021842397.6U
Authority: CN
Inventors: 胡润民; 涂赞; 間栓; 温邓洪
Original assignee: Zhuhai Guanghaojie Technology Co ltd
Current assignee: Zhuhai Guanghaojie Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-02
Anticipated expiration: 2030-08-28

Abstract

The utility model aims at providing a simple structure, easy and simple to handle and mark more accurate demarcation camera device. The utility model discloses a camera module, the manual slip table of XY axle and mark the base, be equipped with discernment recess and discernment centre bore in the mark base, the discernment centre bore is located in the discernment recess, the manual slip table of XY axle sets up mark on the base, the camera module sets up the expansion end of the manual slip table of XY axle, the shooting end of camera module with the discernment recess sets up relatively. The utility model discloses be applied to the position and mark technical field.

Description

Calibration camera device

Technical Field

The utility model discloses be applied to the position and mark technical field, in particular to mark camera device.

Background

Under the conditions that the resolution of an image sensor is continuously increased and the size of a single pixel is continuously reduced, the requirement on the accuracy of the relative positioning of a lens and the image sensor is higher and higher, and the current traditional packaging equipment cannot meet the requirement. The AA (Active Alignment) is an Active calibration technology for determining the relative position of the parts in the assembly process, can correct the mechanical difference of each component and ensure the imaging quality of the camera and the consistency of products. When the camera module is produced by the automatic assembly equipment adopting the AA technology, the procedures of glue dispensing, AA curing, UV curing and the like are generally required. In the AA procedure, the relative position of the lens and the image sensor is adjusted in real time by matching a high-precision motion structure with a software algorithm, so that the optimal imaging effect is achieved.

The positions of the centers of the sensor and the lens relative to the center of the clamping jaw need to be accurately acquired in the AA process, so that the sensor and the lens can quickly and accurately reach the working position in the AA process, and the initial position calibration of each part needs to be carried out before the AA works. In the early stage, a mechanical perforation type positioning method is adopted in the calibration process, pins are adopted to simultaneously penetrate through a fake lens center hole and a lens placing position center hole which are clamped by a clamping jaw, the fake lens center hole and a sensor placing position center hole which are clamped by the clamping jaw, and the distance between the sensor placing position and the lens placing position is calculated through a system. If a calibration camera device which is simple in structure, simple and convenient to operate and accurate in calibration can be designed, the problems can be well solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, easy and simple to handle and mark more accurate demarcation camera device.

The utility model adopts the technical proposal that: the utility model discloses a camera module, the manual slip table of XY axle and mark the base, be equipped with in the mark base and mark the recess and mark the centre bore, mark the centre bore and be located in mark the recess, the manual slip table of XY axle sets up mark on the base, the camera module sets up the expansion end of the manual slip table of XY axle, the shooting end of camera module with mark the relative setting of recess.

Furthermore, the calibration base comprises a calibration plate and a mounting plate which are overlapped, a cavity is arranged on the calibration plate, and the calibration groove is located in the cavity.

Further, the mounting panel with all be provided with on the manual slip table of XY axle and mark the through-hole, the camera module includes supporting seat and CCD camera, the supporting seat sets up the expansion end of the manual slip table of XY axle, the vertical setting of CCD camera is in on the supporting seat, the CCD camera passes through mark the through-hole with mark the recess and set up relatively.

Further, a light source is arranged in the inner cavity.

The utility model has the advantages that: firstly, opening the CCD camera for shooting and identifying, after identifying the calibration groove and aligning the calibration groove with the calibration groove, fixedly connecting the CCD camera with the supporting seat, subsequently identifying the calibration center hole, driving the camera module to move in the X-axis or Y-axis direction by adjusting the adjusting screw of the XY-axis manual sliding table so as to align the shooting center of the CCD camera with the calibration center hole, fixedly connecting each adjusting part after the adjustment is in place, and finally removing the calibration plate, thereby completing the camera calibration. Therefore, the utility model is not only simple in structure to use with mechanical perforation formula positioning method relative ratio the utility model discloses demarcate, not only easy and simple to handle, the deviation that can avoid the machining error to cause moreover is great and cause the problem of demarcating the misalignment, improved the precision of calibration result widely, it is more practical convenient.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is an enlarged view at a in fig. 2.

Detailed Description

As shown in fig. 1-3, in this embodiment, the utility model discloses a camera module, the manual slip table of XY axle 1 and mark the base, it is equipped with in the base and marks recess 2 and mark centre bore 3 to mark, mark centre bore 3 and be located in marking in the recess 2, the manual slip table of XY axle 1 sets up mark on the base, the camera module sets up the expansion end of the manual slip table of XY axle 1, the shooting end of camera module with mark the relative setting of recess 2.

In this embodiment, the calibration base includes a calibration plate 4 and a mounting plate 5 that are overlapped, a cavity 6 is disposed on the calibration plate 4, and the calibration groove 2 is located in the cavity 6.

In this embodiment, the mounting panel 5 with all be provided with on the manual slip table 1 of XY axle and mark through-hole 7, the camera module includes supporting seat 8 and CCD camera 9, supporting seat 8 sets up the expansion end of the manual slip table 1 of XY axle, the vertical setting of CCD camera 9 is in on the supporting seat 8, CCD camera 9 passes through mark through-hole 7 with mark the relative setting of recess 2.

In this embodiment, the light source 10 is disposed in the interior cavity.

In this embodiment, the working principle of the present invention is as follows:

firstly, opening the CCD camera 9 for shooting and identifying, after identifying the calibration groove 2 and aligning with the calibration groove, fixedly connecting the CCD camera 9 with the supporting seat 8, subsequently identifying the calibration center hole 3, driving the camera module to move in the X-axis or Y-axis direction by adjusting an adjusting screw of the XY-axis manual sliding table 1 so as to align the shooting center of the CCD camera 9 with the calibration center hole 3, fixedly connecting each adjusting part after the adjustment is in place, and finally removing the calibration plate 4, thereby completing the camera calibration.

The external processing system records the camera calibration position as a reference point, then the sensor placing position center hole is moved to the shooting position of the CCD camera 9, the sensor placing position center hole is shot, the processing system calculates the center position and records the position of the sensor center position relative to the calibration center hole 3; similarly, moving a lens placing position center hole to a shooting position of the CCD camera 9, shooting the lens placing position center hole, calculating the center position by a processing system, recording the position of the obtained lens center position relative to the calibration center hole 3, determining the positions of the sensor and the lens center position relative to the calibration center hole 3, and finally calculating the distance between the sensor placing position and the lens placing position by an external processing system.

Claims

1. A calibration camera device is characterized in that: it includes camera module, XY axle manual slip table (1) and marks the base, be equipped with in the base of demarcation and mark recess (2) and mark centre bore (3), mark centre bore (3) and be located in marking recess (2), XY axle manual slip table (1) sets up mark on the base, the camera module sets up the expansion end of XY axle manual slip table (1), the shooting end of camera module with mark recess (2) and set up relatively.

2. A calibration camera device according to claim 1, wherein: the calibration base comprises a calibration plate (4) and a mounting plate (5) which are overlapped, a cavity (6) is arranged on the calibration plate (4), and the calibration groove (2) is located in the cavity (6).

3. A calibration camera device according to claim 2, wherein: mounting panel (5) with all be provided with on the manual slip table of XY axle (1) and mark through-hole (7), the camera module includes supporting seat (8) and CCD camera (9), supporting seat (8) set up the expansion end of the manual slip table of XY axle (1), the vertical setting of CCD camera (9) is in on supporting seat (8), CCD camera (9) pass through mark through-hole (7) with mark recess (2) and set up relatively.

4. A calibration camera device according to claim 3, wherein: a light source (10) is arranged in the cavity (6).