Adjustable optical axis calibration instrument device
By integrating a dimmable optical axis calibrator device with parallel light pipes, lighting systems and image display adjustable systems, the problems of cumbersome and large errors in the prior art are solved, and high-precision and simple calibration of the aiming device is achieved.
Patent Information
- Application Number
- CN202422025155.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-21
AI Technical Summary
The existing optical axis correction method of aiming devices is segmented, resulting in large errors in repeated positioning, complicated operation, large equipment size and high cost, making it difficult to efficiently correct between multiple equipment.
A dimmable optical axis calibrator device is designed, integrating parallel light pipes, lighting systems, image display adjustable system and test fixtures. The coaxial alignment of the optical axis is achieved through the adjustment ring and bracket structure, and the correction results are displayed using a CCD camera and monitor.
It realizes high integration, lightweight and simple operation, improves correction accuracy, adapts to different aiming devices, and shortens the correction cycle.
Smart Images
Figure CN223077853U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optoelectronic instruments, and particularly relates to an adjustable optical axis calibration instrument device for optical axis detection and calibration of a aiming device. Background Art
[0002] In the prior art, the methods for inspecting and calibrating the optical axis consistency of different aiming devices mainly rely on a variety of large-scale devices for step-by-step multi-level calibration. After the calibration of the optical axis is completed on one device, it is then transferred to other devices in sequence for corresponding optical axis calibration. This segmented calibration method is difficult to eliminate the repeated positioning error, resulting in an extended calibration cycle. At the same time, most of the currently used calibration devices not only have cumbersome operations, but also generally have a large volume and high requirements for the use environment, thus making the detection cost relatively high. Content of the Utility Model
[0003] To solve the above technical problems existing in the prior art, the utility model provides an adjustable optical axis calibration instrument device, which includes a collimator, an illumination system, an image display adjustable system and a test fixture arranged on a bottom plate. The illumination system is detachably connected to the collimator, and the aiming device to be tested is fixed on the test fixture. The crosshair in the collimator and the crosshair of the aiming device to be tested are jointly imaged on the image display adjustable system.
[0004] Further, the image display adjustable system includes a Z-direction adjustment ring, an X-direction adjustment bracket and a Y-direction adjustment bracket.
[0005] Further, the Y-direction adjustment bracket is connected to the X-direction adjustment bracket through a T-shaped slider and locked by a screw.
[0006] Further, the image display adjustable system is provided with a limit ring to prevent the rear end of the Y-direction adjustment bracket from hitting the bottom plate during X-direction adjustment.
[0007] Further, the Z-direction adjustment ring is connected to the Y-direction adjustment bracket through a T-shaped slider and locked by a screw.
[0008] Further, the inside of the Z-direction adjustment ring is provided with a thread.
[0009] Further, the image display adjustable system is provided with a CCD camera and a monitor, and the monitor displays the image taken by the CCD camera.
[0010] Further, the collimator is connected to the collimator support frame through a hoop, and the collimator support frame is connected to the bottom plate through a collimator support pad.
[0011] Further, the height of the collimator support pad is adjustable.
[0012] Further, the lighting system includes a lighting switch, a lighting device housing, a lighting window glass, and a lamp. The lighting switch is connected to the lighting device housing; the lighting window glass and the lamp are embedded in the lighting device housing.
[0013] Compared with the prior art, the remarkable advantages of the present utility model are as follows: it has high integration, light weight, small volume, high precision, simple operation, etc., and can be adapted to the calibration of different aiming devices. Description of the Drawings
[0014] Figure 1 is a schematic structural diagram of the adjustable optical axis calibration instrument device of the present utility model.
[0015] Figure 2 is a top view of the adjustable optical axis calibration instrument device of the present utility model.
[0016] Figure 3 is a schematic structural diagram of the image display adjustable system.
[0017] Figure 4 is a partial cross-sectional view of the lighting system.
[0018] Figure 5 is a schematic diagram of the crosshair reticle of the collimator. Detailed Embodiment
[0019] The present utility model will be further described below with reference to the accompanying drawings.
[0020] As Figures 1-5 shown, for the adjustable optical axis calibration instrument device of the present utility model, after leveling the collimator 1, the aiming device to be tested is fixed on the test fixing bracket 16, the lighting system 2 is turned on, and the Z-direction adjustment ring 12, X-direction adjustment bracket 18, and Y-direction adjustment bracket 19 of the image display adjustable system 5 are adjusted to make the CCD camera 14 coaxial with the collimator 1. Observe the image on the monitor 15, that is, the overlapping image of the crosshair reticle 26 in the collimator 1 and the crosshair reticle of the aiming device to be tested itself, so as to judge the qualification of the aiming device.
[0021] The collimator 1 is connected to the collimator support frame 8 through a hoop 3 and fastened with a first fixing screw 4; the collimator support frame 8 is connected to the bottom plate 6 through a collimator support pad 7 and fastened with a second fixing screw 10 plus a spring washer 9; the collimator support pad 7 enables the collimator 1 to be adjusted in height.
[0022] The lighting system 2 can be directly plugged into and unplugged from the collimator 1. There is a lighting switch 22 connected to the lighting device housing 23 through a screw; the lighting window glass 24 and the lamp 25 are embedded in the lighting device housing 23.
[0023] The described image display adjustable system 5 and the bottom plate 6 are fixedly connected by the third fixing screw 11, that is, the X-direction adjustment bracket 18 and the bottom plate 6 are fixedly connected by the third fixing screw 11; a limit ring 17 is provided to prevent the rear end of the Y-direction adjustment bracket 19 from hitting the bottom plate 6 during X-direction adjustment. At the same time, the limit ring 17 is also used to measure similar aiming devices. When replacing the appliance, it is not necessary to re-calibrate. After the replacement is completed, it can be moved to the position of the limit ring 17 to start the inspection directly; the Y-direction adjustment bracket 19 is connected to the X-direction adjustment bracket 18 by the first locking screw 20 through the T-shaped slider 21. By loosening the first locking screw 20, the Y-direction adjustment bracket 19 can slide in the U-shaped groove of the X-direction adjustment bracket 18; the Z-direction adjustment ring 12 is connected to the Y-direction adjustment bracket 19 by the second locking screw 13 through the T-shaped slider 21. By loosening the second locking screw 13, the Z-direction adjustment ring 12 can slide in the U-shaped groove of the Y-direction adjustment bracket 19; there is a thread inside the Z-direction adjustment ring 12, and the CCD camera 14 can be adjusted up and down on the Z-direction adjustment ring 12; the monitor 15 can display the image taken by the CCD camera 14, that is, the overlapping image of the cross hair 26 in the collimator 1 and the cross hair of the aiming device itself.
[0024] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications and replacements made within the scope of the present invention shall be included in the protection scope of the present invention.
Claims
1. An adjustable optical axis calibration instrument device, comprising a collimator (1), an illumination system (2), an image display adjustable system (5) and a test fixing bracket (16) arranged on a bottom plate (6), characterized in that: The lighting system (2) is pluggable and connectable to the collimator (1), and the aiming device to be tested is fixed on the test fixture (16). The crosshair (26) in the collimator (1) and the crosshair of the aiming device to be tested are imaged together on the image display and adjustable system (5).
2. The adjustable optical axis calibration instrument device according to claim 1, wherein: The image display and adjustable system (5) includes a Z-direction adjustment ring (12), an X-direction adjustment bracket (18), and a Y-direction adjustment bracket (19).
3. The optical axis adjustment and calibration instrument device according to claim 2, wherein: The Y-direction adjustment bracket (19) is connected to the X-direction adjustment bracket (18) through a T-shaped slider (21) and locked by a screw.
4. The optical axis adjusting and calibrating instrument device according to claim 3, characterized in that: The image display and adjustable system (5) is provided with a limit ring (17) to prevent the rear end of the Y-direction adjustment bracket (19) from hitting the bottom plate (6) during X-direction adjustment.
5. The adjustable optical axis calibration instrument device according to claim 2, wherein: The Z-direction adjustment ring (12) is connected to the Y-direction adjustment bracket (19) through a T-shaped slider (21) and locked by a screw.
6. The adjustable optical axis calibration instrument device according to claim 2, characterized in that: The Z-direction adjustment ring (12) is internally provided with threads.
7. The adjustable optical axis calibration instrument device according to claim 1, characterized in that: The image display and adjustable system (5) is provided with a CCD camera (14) and a monitor (15). The monitor (15) displays the image captured by the CCD camera (14).
8. The adjustable optical axis calibration instrument device according to claim 1, characterized in that: The collimator (1) is connected to the collimator support frame (8) through a clamp (3), and the collimator support frame (8) is connected to the bottom plate (6) through a collimator support pad (7).
9. The adjustable optical axis calibration instrument device according to claim 8, wherein: The height of the collimator support pad (7) is adjustable.
10. The adjustable optical axis calibration instrument device according to claim 1, characterized in that: The lighting system (2) includes a lighting switch (22), a lighting housing (23), a lighting window glass (24), and a lamp (25). The lighting switch (22) is connected to the lighting housing (23); the lighting window glass (24) and the lamp (25) are embedded in the lighting housing (23).