CN221404214U - Panoramic camera optical axis calibrating device - Google Patents

Abstract

The utility model relates to the field of optical axis calibration of imager assembly, in particular to a panoramic camera optical axis calibration device, which solves the problems of poor flexibility and poor practicability in the prior art.

Description

Panoramic camera optical axis calibrating device

Technical Field

The utility model relates to the field of optical axis calibration of imager assembly, in particular to a panoramic camera optical axis calibration device.

Background

Along with the development of technology, various electronic equipment with photographing functions are layered endlessly, moreover, the requirement of people on image quality is higher and higher, a panoramic camera is a camera capable of photographing 360-degree panorama at one time, a scene which cannot be captured by using a traditional camera is obtained in a 360-degree panorama capturing mode, a user is subjected to shocking panoramic experience, the panoramic camera generally comprises two fisheye lenses, the two fisheye lenses are arranged in a front-back mode, the front lens captures an image of a front object, the rear lens captures an image of a rear object, then the two original images are spliced into a 360-degree panorama image through an algorithm, a certain physical assembly error usually exists between the front and rear fisheye lenses when the panoramic camera is assembled, and optical axes of the fisheye lenses are not on the same horizontal line, so that obvious dislocation exists at the spliced position of the two original images photographed by the fisheye lenses, and the image splicing and fusion effect is affected.

The authorized bulletin number in the prior art is: CN202182704U, entitled: the utility model provides a calibrating device of thermal imaging system optical axis, including the benchmark light source device, by the thermal imaging system mount pad and the computer imaging data acquisition system of calibration, its benchmark light source device includes benchmark light source subassembly and adjustable base, benchmark light source subassembly is including the blackbody face radiation source that connects gradually, division board subassembly and infrared collimator, the benchmark light source subassembly is installed on adjustable base, the output of infrared collimator is facing the mount pad of being calibrated thermal imaging system, the optical axis of infrared collimator is perpendicular to the fitting surface of the mount pad of being calibrated thermal imaging system, there is the thermal imaging system mounting hole on the mount pad fitting surface, the division board of division board subassembly in the middle of be the fretwork cross wire casing. And installing the calibrated thermal imager on the installation seat, collecting video digital signals output by the calibrated thermal imager by a computer, observing whether the infrared target cross center provided by the infrared collimator coincides with the electronic cross wire center, and adjusting the installation position of the detector of the calibrated thermal imager until the two cross centers completely coincide, so that the calibration is qualified.

However, in this patent, although the imaging calibration equipment can finely tune, the distance between the thermal imaging system mount pad that the imaging calibration device was calibrated can't automatically regulated, can't better adapt to axis calibration and detect, and the flexibility is relatively poor, and secondly the imaging calibration device is connected with computer imaging data acquisition, and computer imaging data acquisition is connected comparatively loaded down with trivial details in the scene inconvenient, has the general problem of practicality.

Disclosure of utility model

The utility model solves the technical problems of poor flexibility and poor practicability in the prior art by providing the panoramic camera optical axis calibration device.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a panoramic camera optical axis calibrating device, includes work platform, mounting panel and is calibrated camera mount pad, one side fixedly connected with slide bar of being calibrated camera mount pad, work platform's top fixedly connected with curb plate and connecting block respectively, one side fixedly connected with spacing ring of connecting block, telescopic cylinder is installed to one side of curb plate, telescopic cylinder's output has the coaxial connecting axle that sets up through the coupling joint, the one end fixedly connected with initiative rack of connecting axle, one side of curb plate is fixedly connected with slide rail and stopper respectively, initiative rack sliding connection is in one side of slide rail;

The inside sliding fit of stopper has the connecting rod, the one end activity of connecting rod articulates there is the movable frame, the inside rotation of movable frame installs the gear, the gear with initiative rack meshing is connected, sliding fit has the sliding block on the slide bar, the other end fixed connection of connecting rod is in one side of sliding block, the bottom fixedly connected with mounting panel of sliding block, panoramic camera module is installed at the top of mounting panel.

Preferably, the top of the working platform is respectively provided with an induction module and an antenna, and the induction module is electrically connected with the antenna.

Preferably, a limiting hole is formed in the limiting block, and the connecting rod is movably sleeved in the limiting hole, so that the connecting rod is conveniently movably sleeved.

Preferably, the movable frame is provided with a movable groove inside, and the gear is rotatably arranged inside the movable groove, so that the gear can rotate conveniently.

Preferably, a sliding groove is formed in one side of the driving rack, and the sliding rail is slidably connected in the sliding groove, so that the sliding rail can slide conveniently.

Preferably, a rotating hole is formed in the sliding block, and the sliding rod is connected in a sliding mode in the rotating hole.

Compared with the related art, the utility model has the following beneficial effects:

1. According to the utility model, through the arrangement of the telescopic cylinder, the panoramic camera module and other structures, the distance between the panoramic camera module and the calibrated camera mounting seat is automatically adjusted, so that the device is better suitable for center axis calibration detection, has better flexibility, can detect whether the center axis positions are completely coincident in the moving process, and improves the working efficiency.

2. According to the utility model, through the arrangement of the structures such as the induction module and the antenna, the automatic movement and the center axis calibration of the panoramic camera module can be realized through the control of the induction module and the antenna, and on the other hand, the panoramic camera module can be interconnected with intelligent mobile equipment to replace traditional complicated equipment, so that rapid data transmission and processing are realized more quickly, and the response speed and the data processing efficiency of the calibration process are improved.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a front cross-sectional view of another view of the present utility model;

Fig. 3 is an enlarged view at a of fig. 1.

Reference numerals in the drawings:

1. A telescopic cylinder; 2. a panoramic camera module; 3. a calibrated camera mount; 4. a connecting block; 5. an antenna; 6. an induction module; 7. a mounting plate; 8. a sliding block; 9. a slide bar; 10. a connecting shaft; 11. a driving rack; 12. a gear; 13. a movable frame; 14. a connecting rod; 15. a limiting block; 16. a limiting ring; 17. a working platform; 18. a side plate; 19. a slide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a panoramic camera optical axis calibration device comprises a working platform 17, a mounting plate 7 and a calibrated camera mounting seat 3, a slide bar 9 is fixedly connected to one side of the calibrated camera mounting seat 3, a side plate 18 and a connecting block 4 are fixedly connected to the top of the working platform 17, a limit ring 16 is fixedly connected to one side of the connecting block 4, a telescopic cylinder 1 is mounted on one side of the side plate 18, an output end of the telescopic cylinder 1 is connected with a coaxially arranged connecting shaft 10 through a coupling, one end of the connecting shaft 10 is fixedly connected with an active rack 11, one side of the side plate 18 is fixedly connected with a slide rail 19 and a limiting block 15 respectively, the active rack 11 is slidably connected to one side of the slide rail 19, a connecting rod 14 is slidably assembled in the inside of the limiting block 15, a movable frame 13 is rotatably mounted in the inside of the movable frame 13, a gear 12 is in meshed connection with the active rack 11, a sliding block 8 is slidably mounted on the slide bar 9, the other end of the connecting rod 14 is fixedly connected to one side of the sliding block 8, a telescopic cylinder 7 is fixedly connected to the bottom of the sliding block 8, a camera module 2 is mounted on the top of the mounting plate 7, a center shaft 2 is well aligned with the mounting plate 2 through the camera module 2, and the camera module 2 is well aligned with the center shaft 3 through the camera module 2, and the center shaft is well adjusted in the automatic adjustment process, and the automatic adjustment has better accuracy of the adjustment of the position of the camera module is better, and the camera has better accuracy in the calibration process.

Referring to fig. 1-3, the top of the working platform 17 is respectively provided with an induction module 6 and an antenna 5, the induction module 6 is electrically connected with the antenna 5, and through the arrangement of the induction module 6 and the antenna 5, the automatic movement and the center axis calibration of the panoramic camera module 2 can be realized through the control of the induction module 6 and the antenna 5, and on the other hand, the panoramic camera module can be interconnected with intelligent mobile equipment to replace traditional complicated equipment, thereby realizing rapid data transmission and processing more quickly and improving the response speed and the data processing efficiency of the calibration process.

Referring to fig. 1-3, a limiting hole is formed in the limiting block 15, a connecting rod 14 is movably sleeved in the limiting hole, a movable groove is formed in the movable frame 13, a gear 12 is rotatably mounted in the movable groove, a sliding groove is formed in one side of the driving rack 11, a sliding rail 19 is slidably connected in the sliding groove, a rotating hole is formed in the sliding block 8, and a sliding rod 9 is slidably connected in the rotating hole.

The specific implementation process of the utility model is as follows: when the equipment is started, the telescopic cylinder 1 is started to drive the driving rack 11 to slide rightwards on the sliding rail 19, the gear 12 rotates on the driving rack 11 and is meshed with the driving rack 11, the limiting effect is achieved on the running of the driving rack 11, the gear 12 drives the connecting rod 14 to slide in the movable frame 13, the panoramic camera module 2 is driven to slide on the sliding rod 9, whether the position of the optical axis of the panoramic camera module 2, which is shot on the calibrated camera mounting seat 3, is completely overlapped or not can be detected, the aspects of improving the calibration precision, being wide in applicable scene, high in efficiency, convenience and the like are facilitated, the related optical axis calibration technology is the prior art, and excessive description is omitted, the telescopic cylinder 1 is a conventional commercial product and can be purchased in the market, for example, RDQD-25M series of SMC can be selected;

In addition, antenna 5 can interconnect with intelligent mobile device, through the setting of structures such as sensing module 6 and antenna 5, can be controlled by intelligent mobile device to realize the automatic removal and the axis calibration of panoramic camera module 2, on the other hand can interconnect with intelligent mobile device, replace traditional loaded down with trivial details heavy equipment, improve the response speed and the data processing efficiency of calibration process, make the device operation more convenient, the interconnection technique and the sensing that involve control the technique be prior art, do not make too much here and do not describe.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides a panoramic camera optical axis calibrating device, includes work platform (17), mounting panel (7) and by calibration camera mount pad (3), its characterized in that: one side of the calibrated camera mounting seat (3) is fixedly connected with a sliding rod (9), the top of the working platform (17) is fixedly connected with a side plate (18) and a connecting block (4) respectively, one side of the connecting block (4) is fixedly connected with a limiting ring (16), one side of the side plate (18) is provided with a telescopic cylinder (1), the output end of the telescopic cylinder (1) is connected with a connecting shaft (10) coaxially arranged through a coupling, one end of the connecting shaft (10) is fixedly connected with a driving rack (11), one side of the side plate (18) is fixedly connected with a sliding rail (19) and a limiting block (15) respectively, and the driving rack (11) is slidably connected with one side of the sliding rail (19);

The inside sliding fit of stopper (15) has connecting rod (14), the one end activity of connecting rod (14) articulates there is movable frame (13), gear (12) are installed in the inside rotation of movable frame (13), gear (12) with initiative rack (11) meshing is connected, sliding block (8) are equipped with to the sliding rod (9) on the sliding fit, the other end fixed connection of connecting rod (14) is in one side of sliding block (8), the bottom fixedly connected with mounting panel (7) of sliding block (8), panoramic camera module (2) are installed at the top of mounting panel (7).

2. The panoramic camera optical axis calibration device of claim 1 wherein: the top of the working platform (17) is provided with an induction module (6) and an antenna (5) respectively, and the induction module (6) is electrically connected with the antenna (5).

3. The panoramic camera optical axis calibration device of claim 1 wherein: the limiting block (15) is internally provided with a limiting hole, and the connecting rod (14) is movably sleeved in the limiting hole.

4. The panoramic camera optical axis calibration device of claim 1 wherein: the movable rack (13) is internally provided with a movable groove, and the gear (12) is rotatably arranged in the movable groove.

5. The panoramic camera optical axis calibration device of claim 1 wherein: a sliding groove is formed in one side of the driving rack (11), and the sliding rail (19) is connected inside the sliding groove in a sliding mode.

6. The panoramic camera optical axis calibration device of claim 1 wherein: the inside of sliding block (8) has seted up the commentaries on classics hole, slide bar (9) sliding connection is in the inside of changeing the hole.