A laser distance measurement calibration method

Abstract

The invention discloses a laser distance measuring calibration method, which includes the following steps: S1, determining a reference line, making the reference line pass through the position of the transmitter of the laser distance measuring device, or making the projection point of the transmitter in the vertical direction fall on the reference line S2. Configure the blocking panel so that the blocking panel is located opposite the transmitter and perpendicular to the reference line; S3. Based on the positional relationship between the beam and the blocking panel, detect the horizontal deviation direction of the laser ranging device relative to the reference line, and based on the horizontal deviation Adjust the moving direction of the laser ranging device until the light beam and the reference line are on the same vertical plane; S4. Detect the vertical offset direction of the laser ranging device relative to the horizontal plane, and obtain the vertical offset. The beneficial effect of the present invention is that the positioning of the falling point of the laser beam is realized at a very low cost, and the requirements on the environment are very low, which is suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of optical instrument debugging, in particular to a laser distance measurement calibration method. Background technique [0002] A laser rangefinder is an instrument that can accurately measure distances. However, when using a laser rangefinder for measurement, there are often measurement errors. This is because the laser rangefinder uses laser ranging. The core of the laser rangefinder The components are the laser transmitter and receiver, which are usually mounted and fixed in the center of the housing of the device. But although the manufacturer intends to fix them in the center of the shell, there will still be errors in this assembly process, so that the angle of deviation will cause the laser emission to be biased upward or downward, or to the left or to the right. Since the laser is an invisible light, so It is impossible to grasp the exact beam emission point when using it. [0003] If there is a n...

AI Technical Summary

Problems solved by technology

[0005] In the prior art, referring to products such as laser rangefinders / total stations, the positioning of the laser beam landing point generally adopts laser pulse method, phase method, triangulation method, interferometry, etc., usually in the laboratory, through a camera or Fluorescent boards are used for positioning, which requires too much equipment, high equipment costs, or requires a darkroom to operate, which is not conducive to the positioning of the landing point of the laser beam with general accuracy

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