Two-dimensional code camera calibration instrument
The QR code camera calibration instrument, consisting of a robotic arm and a control cabinet, solves the problem of instability in manual calibration, achieving efficient and stable automated calibration, thereby improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202423131033.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing QR code camera calibration methods suffer from instability due to manual operation, resulting in unstable image acquisition, large deviations in angle and height, poor consistency in calibration results, and low production efficiency.
The QR code camera calibration instrument, consisting of a robotic arm and a control cabinet, uses the robotic arm to accurately locate the image acquisition angle and orientation, and combines a multi-station operating platform and quick-connect components to achieve automated calibration.
It improves the consistency and stability of calibration, reduces manual operation, increases production efficiency, and reduces enterprise costs.
Smart Images

Figure CN223471326U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to camera calibration technical field, especially related to a two-dimensional code camera calibrator. BACKGROUND
[0002] The existing two-dimensional code camera calibration mode is to place the chessboard on the top of the camera manually, and let the camera take pictures at different angles, and calibrate the two-dimensional code camera through software. This method is to hold the chessboard by hand, and the hand will shake during this process, which will affect the stability of image acquisition and thus affect the quality of calibration. Manual placement at different angles will have different degrees of angle and height deviation, and the parameters of each calibration are different, and the consistency of the calibration results is not high.
[0003] After the camera calibration is completed, clarity test and distortion test are still needed, different toolings need to be replaced, and the camera needs to be powered on and off three times during the whole process, which is low in production efficiency. UTILITY MODEL CONTENT
[0004] (I) Technical problem to be solved
[0005] In order to solve the above problems of the prior art, the utility model provides a two-dimensional code camera calibrator, which greatly improves the efficiency of manual operation of two-dimensional code camera calibration.
[0006] (II) Technical scheme
[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme including:
[0008] A two-dimensional code camera calibrator, comprising: a frame body, a mechanical arm, an operation platform and a control cabinet;
[0009] The mechanical arm and the operation platform are arranged in the frame body and fixedly connected with the frame body;
[0010] The inside of the frame body is divided into an upper space and a lower space by the operation platform;
[0011] The upper space is an operation space;
[0012] The mechanical arm is located in the operation space and connected with the control cabinet through a cable;
[0013] The control cabinet is arranged in the lower space;
[0014] The operation platform is provided with a plurality of stations;
[0015] Each station can arrange a two-dimensional code camera to be calibrated and tested.
[0016] Preferably, one end of the mechanical arm is fixedly arranged on a frame at the upper part of the frame body.
[0017] The other end of the mechanical arm is provided with a two-dimensional code chessboard.
[0018] Preferably, a control switch is further arranged on the frame body.
[0019] The control switch is connected with the control cabinet.
[0020] Preferably, a clamping assembly is fixedly arranged on each work station.
[0021] The clamping assembly can quickly fix and dismount the two-dimensional code camera to be tested.
[0022] Preferably, a quick connection assembly is arranged on each work station.
[0023] The quick connection assembly is connected with the control cabinet.
[0024] The two-dimensional code camera arranged on the clamping assembly can be connected with the control cabinet by means of the quick connection assembly.
[0025] Preferably, a three-color indicating lamp is further arranged on the frame body.
[0026] The three-color indicating lamp is connected with the control cabinet by means of a cable.
[0027] Preferably, a touch display assembly is further included.
[0028] The touch display assembly is arranged on the frame body.
[0029] The touch display assembly is connected with the control cabinet.
[0030] The control cabinet is connected with indoor power supply.
[0031] Preferably, the number of work stations on the operation platform is four.
[0032] The upper space is provided with a transparent protective door and a protective cover.
[0033] (Three) beneficial effects
[0034] The two-dimensional code camera calibration instrument has the following beneficial effects:
[0035] The calibration instrument adopts a mechanical arm to accurately position the angle and position of image acquisition, and has higher consistency and stability. Workers can clamp through cyclic operation of four work stations, balance the process connection of feeding, discharging and packaging, ensure that the mechanical arm and the control cabinet are in continuous working state, and realize the improvement of production efficiency.
[0036] The calibrator can effectively reduce manual operation, reduce enterprise production cost, improve worker operation efficiency and improve enterprise self-image. BRIEF DESCRIPTION OF DRAWINGS
[0037] Figure 1 A structure schematic diagram of the two-dimensional code camera calibrator is provided.
[0038] BRIEF DESCRIPTION OF DRAWINGS
[0039] 1: frame body; 2: operation platform; 3: mechanical arm; 4: two-dimensional code checkerboard; 5: work station; 6: control cabinet; 7: control switch; 8: three-color indicator light. DETAILED DESCRIPTION
[0040] In order to better explain the utility model, so as to facilitate understanding, the utility model is described in detail below in combination with the drawings through specific embodiments.
[0041] As shown in the figure: Figure 1 A two-dimensional code camera calibrator is disclosed in the embodiment, which comprises a frame body 1, a mechanical arm 3, an operation platform 2 and a control cabinet 6.
[0042] In detail, the inside of the frame body 1 is divided into an upper space and a lower space by the operation platform 2; the upper space is an operation space; the mechanical arm 3 is located in the operation space and is connected with the control cabinet 6 through a cable; the control cabinet 6 is arranged in the lower space; the operation platform 2 is provided with a plurality of work stations 5; each work station 5 can be arranged with a two-dimensional code camera to be calibrated and tested.
[0043] In actual application, the frame body 1 is a metal frame, and the overall height and size are suitable for worker operation.
[0044] One end of the mechanical arm 3 is fixedly arranged on the frame at the upper part of the frame body 1; the other end of the mechanical arm 3 is provided with a two-dimensional code checkerboard 4.
[0045] The mechanical arm 3 is a high-precision multi-axis mechanical arm and can move the grabbed two-dimensional code checkerboard 4 to different work stations 5 in sequence under the control of the control cabinet 6 according to the set program, so as to supply the two-dimensional code camera to be tested to perform photographing work.
[0046] The frame body 1 in the embodiment is further provided with a control switch 7; the control switch 7 is connected with the control cabinet 6.
[0047] In detail, each of the workstations 5 is fixedly provided with a clamping assembly; the clamping assembly can quickly fix and dismount the two-dimensional code camera to be tested. Each of the workstations 5 is provided with a quick connection assembly; the quick connection assembly is connected with the control cabinet 6; the two-dimensional code camera arranged on the clamping assembly can be connected with the control cabinet 6 by means of the quick connection assembly.
[0048] The arrangement of the quick connection assembly can enable workers to realize a quick feeding and discharging process, i.e., direct plug-in connection or plug-in disconnection and discharging, thereby further improving work efficiency.
[0049] In the embodiment, the frame body 1 is further provided with a three-color indicating lamp 8; the three-color indicating lamp 8 is connected with the control cabinet 6 by means of an electric cable.
[0050] In actual application, the calibration instrument further comprises a touch display assembly; the touch display assembly is arranged on the frame body 1; the touch display assembly is connected with the control cabinet 6; and the control cabinet 6 is connected with an indoor power supply. In fact, the touch display assembly can directly display the detection result of the two-dimensional code camera to workers.
[0051] Finally, it should be noted that the number of the workstations 5 on the operation platform 2 is four; the upper space is provided with a transparent protective door and a protective cover.
[0052] In the embodiment, four calibration workstations 5 are installed on the operation platform 2; the clamping of each workstation 5 can quickly fix the two-dimensional code camera and wiring; after workers push the clamping into the workstation, the system can identify the camera state; after confirmation, the mechanical arm 3 can make the two-dimensional code chessboard 4 according to the position (the chessboard is fixed on the top end of the mechanical arm 3) positioned in advance, so that the two-dimensional code camera can take a photo of the two-dimensional code chessboard 4 according to different angles and positions, and then calibrate the two-dimensional code camera; after calibration, the system can also retest the camera for definition and distortion. According to the test result, if it is passed, OK is displayed on the touch display assembly; otherwise, NG is displayed.
[0053] Workers balance the process connection of feeding, discharging and packaging by cyclically operating the four workstations, so as to ensure that the mechanical arm 3 and the system are in a continuous working state, thereby realizing the improvement of production efficiency.
[0054] The technical principle of the present application is described in combination with specific embodiments, and these descriptions are only for explaining the principle of the present application and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanation herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the present application.
Claims
1. A two-dimensional code camera calibrator characterized by, The calibration instrument comprises a frame body, a mechanical arm, an operation platform and a control cabinet. The mechanical arm and the operation platform are arranged in the frame body and fixedly connected with the frame body. The inside of the frame body is divided into an upper space and a lower space by the operation platform. The upper space is an operation space. The mechanical arm is located in the operation space and connected with the control cabinet through a cable. The control cabinet is arranged in the lower space. The operation platform is provided with a plurality of workstations. Each workstation is capable of arranging a two-dimensional code camera to be calibrated and tested.
2. The calibration instrument according to claim 1, wherein One end of the mechanical arm is fixedly arranged on a frame at the upper part of the frame body. The other end of the mechanical arm is provided with a two-dimensional code chessboard.
3. The calibration instrument according to claim 2, wherein The frame body is further provided with a control switch. The control switch is connected with the control cabinet.
4. The calibration instrument according to claim 3, wherein Each workstation is fixedly provided with a clamping assembly. The clamping assembly is capable of quickly fixing and dismounting the two-dimensional code camera to be tested.
5. The calibration instrument according to claim 4, wherein Each workstation is provided with a quick connection assembly. The quick connection assembly is connected with the control cabinet. The two-dimensional code camera arranged on the clamping assembly is capable of being connected with the control cabinet through the quick connection assembly.
6. The calibration instrument according to claim 5, wherein The frame body is further provided with a three-color indicator. The three-color indicator is connected with the control cabinet through a cable. The calibration instrument further comprises a touch display assembly.
7. The prover of claim 1 wherein, The touch display assembly is arranged on the frame body. The touch display assembly is connected with the control cabinet. The control cabinet is connected with a room power supply. The number of workstations on the operation platform is four.
8. The prover of claim 7 wherein, The upper space is provided with a transparent protective door and a protective cover.