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Laser beam parallelism regulating system and regulating method thereof

A technology for adjusting the system and laser beam, which is applied in the direction of using optical devices, measuring devices, instruments, etc., can solve problems such as limited precision, and achieve the effect of improving work efficiency and recognition accuracy

Active Publication Date: 2012-01-11
WUHAN WUDA ZOYON SCI & TECH
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Problems solved by technology

This method still relies too much on precision optical instruments, requires professional optical technicians, and the experimental environment requires professional equipment to build, and the accuracy is limited

Method used

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  • Laser beam parallelism regulating system and regulating method thereof
  • Laser beam parallelism regulating system and regulating method thereof
  • Laser beam parallelism regulating system and regulating method thereof

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Embodiment Construction

[0048] The high-precision laser parallel adjustment system based on real-time image analysis uses a camera to identify the distance difference between laser points. In order to meet the wide application of this method, it can be used for any distance and the parallelism adjustment of multiple laser beams, so in this system, only one shooting tool can not be used to capture the image of the laser point. In the system, the laser point falls on the scale plate, and there is a standard scale value on the scale plate. Each laser point is equipped with a camera to take real-time pictures of it, and then the image captured by the camera is processed by software to obtain each The distance value between two laser points, change the size of L, if L is any value, the distance between the laser points remains unchanged, then it can be judged that the two laser beams are already parallel, if there is a difference, you can adjust the Carry the orientation of the laser on the platform, repe...

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Abstract

The invention relates to a laser parallelism regulating system and a regulating method thereof, which belong to the field of sciences and techniques of instruments. The regulating system comprises a bearing platform, a scale plate, a first camera, a second camera and a computer system. The regulating method of the laser parallelism regulating system comprises the following steps: shooting position images of a laser point by utilizing the cameras; recognizing the images by using the computer system; calculating the actual coordinates of the laser point through a photographic measuring principle and displaying the actual coordinates; and adjusting the direction of a laser probe on the bearing platform by an operator through observing parameters displayed by the computer system, so that a plurality of laser beams can be precisely regulated to be parallel and the mapping points of the laser beams in the same plane are collinear. Through the laser parallelism regulating system and the regulating method thereof, the precision of the parallelism of light beams can reach 0.05 degree; the linear rate of the laser point can reach 99%; the problem that the identification cannot reach the precision by means of human eyes at present is solved; and the laser parallelism regulating system has a simple structure, is not necessary to be operated by a specialized person, and has quite wide practicality and universality.

Description

technical field [0001] The invention relates to the field of instrument science and technology, in particular to a laser beam adjustment parallel system and an adjustment method thereof. Background technique [0002] Parallel laser beams are widely used in the field of photogrammetry. Measuring the parallelism of the laser beam is mainly realized by the interference method. The measured beam is divided into two beams of light, and then interferes at an appropriate position. If the incident beam is parallel light, the interference fringes produced are straight stripes or no fringes. The measurement accuracy of this method is high, the interferometer is expensive, the interference volume is large, it is inconvenient to use, the vibration has a great influence on the measurement, and the angle range that can be measured is small. [0003] The Chinese invention patent with the patent number ZL200510028736.0 proposes a device for measuring the parallelism of laser beams. A fou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26G01C11/00
Inventor 李清泉毛庆洲曹民张德津曾星章丽萍韦仕仕
Owner WUHAN WUDA ZOYON SCI & TECH
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