Measuring device and method for angle measurement accuracy of large-diameter photoelectric theodolite

Abstract

The invention provides a measurement device and method of angle measurement accuracy of a large-diameter photoelectric theodolite, aiming at solving the problems that the diameter of the theodolite cannot be completely covered with a high-angle target light tube when a traditional large-diameter photoelectric theodolite is used for measuring, and the angle measurement accuracy of the large-diameter photoelectric theodolite cannot be really reflected. The measurement device comprises a first target light tube, a second target light tube, a third target light tube, a detection frame, a first reflecting mirror and a second reflecting mirror arranged on the detection frame; pitch angles of output light beams of the three target light tubes are 90 degrees 0 minute and 0 second; point targets are mounted on focal planes of the three target light tubes; the optical axis of the first target light tube and the optical axis of the third target light tube are located on the same horizontal plane; the optical axis of the first target light tube and the optical axis of the third target light tube are crossed at one point; the first reflecting mirror is located at an output light path of the second target light tube; the second reflecting mirror is located on a reflecting light path of the first reflecting mirror; the center of a reflecting light beam of the second reflecting mirror is overlapped with the crossed point of the optical axes of the first target light tube and the third target light tube.

Description

technical field [0001] The invention belongs to the field of optics, and relates to a measuring device and method for measuring the angle accuracy of a photoelectric theodolite, in particular to a measuring device and a method for measuring the angle measuring accuracy of a large-caliber photoelectric theodolite. Background technique [0002] The photoelectric theodolite is widely used in military shooting ranges and aerospace. Its main function is to measure the external ballistic parameters of airborne targets, and also to record and measure flight attitudes and events. The photoelectric theodolite has two key indicators: angle measurement accuracy and operating distance. Angle measurement accuracy is the error between the target angle and the real angle synthesized by the encoder angle value output by the photoelectric theodolite in real time and the target miss amount. When the equipment is developed, the accuracy of the encoder and the accuracy of interpretation are usu...

AI Technical Summary

Problems solved by technology

[0005] The present invention proposes a measuring device and method for the angle measurement accuracy of a large-diameter photoelectric theodolite, which solves the problem that the high-angle target light pipe cannot completely cover the theodolite caliber during the measurement of the traditional large-diameter photoelectric theodolite, so that it cannot objectively and truly reflect the measurement of the large-diameter photoelectric theodolite. The problem with angular precision

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