A device and method for detecting parallax of a collimator
A collimator and parallax technology, applied in the direction of testing optical performance, etc., can solve problems such as reading errors, and achieve the effect of simple use, reasonable structure design, and convenient implementation
Inactive Publication Date: 2015-10-14
CHANGAN UNIV
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[0004] When measuring with the pentaprism method, a theodolite needs to be used, and the theodolite needs to be manually read in real time when measuring, and there is a certain reading error. The operator must also have a certain understanding of optics to read the correct result.
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[0035] like figure 2 As shown, a camera-based collimator detection device includes a high-definition camera, which is used to take images of the collimator; guide rails, which are used to move the camera to a fixed position; The platform and the 360° adjustable pan / tilt are used to ensure that the camera can normally capture the imaging of the collimator; the rail control box is used to control the movement of the adjustable pan / tilt on the rail to ensure the correctness of the movement; and the computer, which It is used to receive the imaging of the camera, issue parameter commands to control the movement of the adjustable pan / tilt on the guide rail, and process the image.
[0036] The high-definition camera is placed directly in front of the collimator, its effective pixels are 7360*4912 (Nikon D800), and it has a 300mm telephoto lens, which can make the pictures received by the camera only include reticle imaging, that is, for image processing The effective pixel value i...
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The invention discloses a device and method for detecting a parallax error of a collimator. The device comprises a high-definition camera, a guide rail, an adjustable cradle head, a guide rail control box and a computer. The high-definition camera is used for receiving the high-definition imaging of the collimator. The guide rail and the guide rail control box are used for controlling the guide rail to move to a specific position. The adjustable cradle head comprises an upper adjustable cradle head, a lower adjustable cradle head and a 360-degree rotary adjustable cradle head and is used for ensuring that the optical axis of the camera is consistent with the optical axis of the collimator. The computer is used for receiving the imaging of the camera, controlling the guide rail to move through the guide rail control box and processing the picture of the camera. The computer controls the guide rail and the camera to collect the imaging of the collimator, and then the final result which is the parallax error is obtained according to the processing of the picture. The device and method for detecting the parallax error of the collimator is reasonable in design, simple in using and operation, high in using value and capable of fast and accurately giving out the current parallax error, all operations are carried out by the computer, and errors caused by human reading can be effectively reduced.
Description
technical field [0001] The invention relates to the field of detecting the parallax of a collimator. Background technique [0002] A collimator is a device used to convert light incident from a light source into a parallel beam, which can be used to simulate an infinitely distant target. Parallax is the direction difference produced by observing the same target from two points with a certain distance. The angle between two points viewed from the target is called the parallax of the two points. [0003] The methods used to detect the parallax of the collimator mainly include: the distance object method, the adjustable front mirror method, the self-collimation method, the pentaprism method and the three-tube method, etc. Among these methods, the pentaprism method is widely used because of its simple equipment and high detection accuracy. [0004] When measuring with the pentaprism method, a theodolite is needed, and the theodolite needs to be read manually in real time when...
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IPC IPC(8): G01M11/02
Inventor 马荣贵王哲黄泉源庄一玮马子涵卞庆郑晓波
Owner CHANGAN UNIV