CN215379131U

CN215379131U - Auxiliary tool for calibrating camera

Info

Publication number: CN215379131U
Application number: CN202121462882.5U
Authority: CN
Inventors: 栾绍俊
Original assignee: Qingdao Chengyang District Radio And Television Center
Current assignee: Qingdao Chengyang District Radio And Television Center
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-31
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of cameras, and particularly discloses an auxiliary tool for calibrating a camera, which comprises a camera body, a first support frame and a second support frame, wherein a slide bar is fixedly connected between the first support frame and the second support frame at a position close to the front side and the back side and close to the top, a slide sleeve is movably sleeved on the outer surface of the slide bar, and a support bar is fixedly connected at the central position of the top of the second support frame; according to the auxiliary tool for calibrating the camera, the slide rod and the sliding sleeve are arranged and matched with the distance scale lines on the slide rod, so that a worker can accurately control the moving data and the distance between the worker and the calibration reference plate, and the worker can effectively control the rotating angle by matching the rotating identification disc with the arrow, and can effectively adjust the upward or downward inclined angle of the camera body by matching the first fixed block, the second fixed block and the first threaded rod.

Description

Auxiliary tool for calibrating camera

Technical Field

The utility model relates to the technical field of cameras, in particular to an auxiliary tool for calibrating a camera.

Background

The camera is also called a computer camera, a computer eye, an electronic eye and the like, is a video input device, is widely applied to aspects such as video conferences, telemedicine, real-time monitoring and the like, and common people can also talk and communicate with each other with images and sounds through the camera on a network. In addition, people can also use the method for various popular digital images, video and audio processing and the like.

At present, the camera needs to be calibrated and tested after being produced, so that whether the camera is qualified is determined, the existing calibration test mode is to capture three-dimensional information of the same reference object at different distances and different angles through a computer, but the existing calibration test mode is lack of auxiliary tools, so that the existing calibration test mode generally carries out matching detection through the hand holding of workers during test, the physical strength of the workers can be consumed, the deviation accuracy of the distances and the angles is poor, the moving or rotating angles of the camera cannot be effectively determined, and therefore the problem needs to be solved by designing the auxiliary tool for calibrating the camera.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the auxiliary tool for calibrating the camera, which has the advantages of effectively fixing the camera, effectively controlling the movement and the rotation angle and the like, and solves the problem that the traditional camera cannot accurately control the movement and the rotation angle when a calibration test is carried out.

The auxiliary tool for calibrating the camera comprises a camera body, a first support frame and a second support frame, wherein a slide rod is fixedly connected between the first support frame and the second support frame at a position close to the front side and the back side and close to the top, a slide sleeve is movably sleeved on the outer surface of the slide rod, and a support rod is fixedly connected at the central position of the top of the second support frame; the top of the supporting rod is fixedly connected with a calibration reference plate, a third supporting frame is fixedly connected between the tops of the two sliding sleeves, the top of the third supporting frame is fixedly connected with a rotary identification disc, the central position of the top of the rotary identification disc is fixedly connected with a second fixed block, the top of the second fixed block is hinged with a first fixed block, a first threaded rod penetrates through the hinged position of the first fixed block and the second fixed block, and the top of the first fixed block is rotatably connected with a rotating rod; the top fixedly connected with of bull stick places the dish, place a set top fixedly connected with C shaped plate, the camera body has been placed to C shaped plate inboard bottom, the central point at C shaped plate top screw runs through there is the second threaded rod, the central point of second threaded rod bottom is connected with splint through the bearing.

Through the design of the technical scheme, the camera body can be clamped and fixed more stably.

As a further improvement of the utility model, the front surface of the first threaded rod and the top end of the second threaded rod are fixedly connected with twisting handles, and the outer surfaces of the two twisting handles are respectively provided with an anti-skid groove.

Through the design of the technical scheme, the worker can rotate the first threaded rod and the second threaded rod more conveniently and stably.

As a further improvement of the utility model, the bottom of the inner side of the C-shaped plate and the bottom of the clamping plate are fixedly connected with anti-skidding rubber pads, and the opening of the C-shaped plate faces to the front.

Through the design of the technical scheme, the camera body is more stable when being clamped.

As a further improvement of the utility model, angle marking lines are arranged at the edge of the top of the rotary marking disc at equal intervals around the ring, and an arrow is fixedly connected to the center of the right side of the placing disc.

Through the design of the technical scheme, the camera body can adjust the rotation angle better.

As a further improvement of the utility model, distance marking lines are engraved on the tops of the two sliding rods along the horizontal direction, and the side view graph of the third support frame is n-shaped.

Through the design of the technical scheme, the camera body is better controlled when the distance between the reference plates is adjusted and calibrated.

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

according to the auxiliary tool for calibrating the camera, the slide rod and the sliding sleeve are arranged and matched with the distance scale lines on the slide rod, so that a worker can accurately control the moving data and the distance between the worker and the calibration reference plate, and meanwhile, the worker can effectively control the rotating angle by utilizing the arranged rotary identification disc matched with the arrow, and the worker can effectively adjust the upward or downward inclined angle of the camera body by matching with the first fixed block, the second fixed block and the first threaded rod, so that the problem that the traditional camera cannot accurately control the moving and rotating angle when a calibration test is carried out is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic overall elevational cross-sectional structural view of the present invention;

FIG. 2 is a schematic top view of a sliding bar according to the present invention;

FIG. 3 is a side view of a third supporting frame according to the present invention;

FIG. 4 is a schematic top view of the rotary marker disk of the present invention;

FIG. 5 is a side view of the hinge of the present invention.

In the figure: 01. a first support frame; 02. a second support frame; 03. a slide bar; 04. a sliding sleeve; 05. a support bar; 06. calibrating a reference plate; 07. a third support frame; 08. rotating the label disc; 09. a first fixed block; 10. a first threaded rod; 11. placing a tray; 12. a rotating rod; 13. an arrow; 14. a camera body; 15. a C-shaped plate; 16. a splint; 17. a second threaded rod; 18. twisting a handle; 19. and a second fixed block.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 5, the auxiliary tool for calibrating a camera of the present invention includes a camera body 14, a first support frame 01 and a second support frame 02, a slide rod 03 is fixedly connected between the first support frame 01 and the second support frame 02 at a position close to the front and the back and close to the top, a sliding sleeve 04 is movably sleeved on the outer surface of the slide rod 03, and a support rod 05 is fixedly connected at the center of the top of the second support frame 02; the top of the supporting rod 05 is fixedly connected with a calibration reference plate 06, a third supporting frame 07 is fixedly connected between the tops of the two sliding sleeves 04, the top of the third supporting frame 07 is fixedly connected with a rotary identification disc 08, the central position of the top of the rotary identification disc 08 is fixedly connected with a second fixed block 19, the top of the second fixed block 19 is hinged with a first fixed block 09, a first threaded rod 10 penetrates through the hinged position of the first fixed block 09 and the second fixed block 19, and the top of the first fixed block 09 is rotatably connected with a rotating rod 12; dish 11 is placed to the top fixedly connected with of bull stick 12, places a dish 11 top fixedly connected with C shaped plate 15, and camera body 14 has been placed to the inboard bottom of C shaped plate 15, and the central point at C shaped plate 15 top screw has run through second threaded rod 17, and the central point of second threaded rod 17 bottom puts through the bearing and is connected with splint 16, and this structure sets up for camera body 14 can be more firm fixed by the centre gripping.

Referring to fig. 1, the front surface of the first threaded rod 10 and the top end of the second threaded rod 17 are fixedly connected with the twisting handles 18, and the outer surfaces of the two twisting handles 18 are provided with anti-skid grooves.

Referring to fig. 1, the bottom of the inner side of the C-shaped plate 15 and the bottom of the clamping plate 16 are both fixedly connected with anti-slip rubber pads, and the opening of the C-shaped plate 15 faces the front.

Referring to fig. 1 and 4, the edge of the top of the rotary marking disc 08 is provided with angle marking lines at equal intervals around the ring, and the central position of the right side of the placing disc 11 is fixedly connected with an arrow 13.

Referring to fig. 2 and 3, distance identification lines are horizontally and transversely engraved on the tops of the two sliding rods 03, and the side view of the third support frame 07 is n-shaped, so that the camera body 14 can be better controlled when the distance between the camera body and the calibration reference plate 06 is adjusted.

In the use of the utility model: place the camera body 14 that will test earlier in the inboard bottom of C shaped plate 15, catch again and twist 18 and rotate second threaded rod 17, drive splint 16 downstream, fix spacingly to camera body 14, the centre gripping is fixed the back, the staff is connected camera body 14 and control computer earlier, the distance scale mark on rethread slide bar 03 and sliding sleeve 04 cooperation slide bar 03, can effectual regulation and demarcation refer to the distance between the board 06, utilize bull stick 12 and the cooperation arrow 13 of rotatory marking disc 08 that sets up simultaneously, can make the staff adjust the horizontal rotation angle of camera body 14, and utilize first fixed block 09 and the first threaded rod 10 of second fixed block 19 cooperation, can adjust the upper and lower inclination of camera body 14.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a demarcation camera's appurtenance, includes camera body (14), first support frame (01) and second support frame (02), its characterized in that: a sliding rod (03) is fixedly connected between the first support frame (01) and the second support frame (02) at a position close to the front side and the back side and close to the top, a sliding sleeve (04) is movably sleeved on the outer surface of the sliding rod (03), and a support rod (05) is fixedly connected at the center of the top of the second support frame (02);

the top of the supporting rod (05) is fixedly connected with a calibration reference plate (06), a third supporting frame (07) is fixedly connected between the tops of the two sliding sleeves (04), the top of the third supporting frame (07) is fixedly connected with a rotary identification disc (08), a second fixed block (19) is fixedly connected to the central position of the top of the rotary identification disc (08), the top of the second fixed block (19) is hinged to a first fixed block (09), a first threaded rod (10) penetrates through the hinged position of the first fixed block (09) and the second fixed block (19), and the top of the first fixed block (09) is rotatably connected with a rotating rod (12);

dish (11) is placed to the top fixedly connected with of bull stick (12), place dish (11) top fixedly connected with C shaped plate (15), camera body (14) have been placed to C shaped plate (15) inboard bottom, the central point position screw thread at C shaped plate (15) top has run through second threaded rod (17), the central point position of second threaded rod (17) bottom is connected with splint (16) through the bearing.

2. The auxiliary tool for calibrating the camera according to claim 1, wherein: the front surface of the first threaded rod (10) and the top end of the second threaded rod (17) are fixedly connected with twisting handles (18), and anti-skidding grooves are formed in the outer surfaces of the twisting handles (18).

3. The auxiliary tool for calibrating the camera according to claim 1, wherein: the bottom of the inner side of the C-shaped plate (15) and the bottom of the clamping plate (16) are fixedly connected with anti-skidding rubber pads, and the opening of the C-shaped plate (15) faces the front.

4. The auxiliary tool for calibrating the camera according to claim 1, wherein: the edge at rotatory sign dish (08) top is equipped with angle marking line around annular equidistance carving, place central point fixedly connected with arrow (13) on dish (11) right side.

5. The auxiliary tool for calibrating the camera according to claim 1, wherein: distance marking lines are horizontally and transversely carved at the tops of the two sliding rods (03), and the side view graph of the third supporting frame (07) is n-shaped.