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Laser demarcation device calibration system

A technology of laser line projection instrument and calibration system, which is applied to instruments, active optical measurement devices, reference lines/planes/fans, etc., to achieve the effects of convenient, efficient and accurate inspection and calibration work, convenient assembly, and small footprint.

Inactive Publication Date: 2014-01-08
WUHAN UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the background technology, the present invention provides a calibration system for a laser line projection instrument to solve the calibration problem of a laser line projection instrument, and provide simple and reliable detection and calibration tools and solutions for related industries

Method used

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings and implementation examples, but this description is only for explaining the present invention, and should not be construed as limiting the present invention.

[0039] Such as figure 1 As shown, the present invention includes a base, a support, and 8 sampling light pipes; the support is fixed on the base, and the sampling light pipe is fixed on the support;

[0040] (1) Assembly of sampling light pipe

[0041] figure 2 It is the structure of the sampling light pipe. The sampling light pipe includes a collimator 2, a digital camera 3, a lens positioning sleeve 7, and a light pipe sleeve 8. The collimator 2 is fixed on the bracket through the light pipe sleeve 8, and the lens positioning sleeve 7 is fixed on the collimator 2, and the digital camera 3 is connected with the lens positioning sleeve 7 through the interface conversion part 27 and the lens sleeve 26 in turn; t...

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Abstract

The invention provides a laser demarcation device calibration system which comprises a base, a support and eight sampling light tubes. The support is fixed on the base, the sampling light tubes are fixed on the support, each sampling light tube comprises a collimator, a digital camera, a lens positioning sleeve and a light tube sleeve, each collimator is fixed on the support through the corresponding light tube sleeve, each lens positioning sleeve is fixed on the corresponding collimator, each digital camera is connected with the corresponding lens positioning sleeve sequentially through an interface converting member and a lens sleeve, and a USB (universal serial bus) interface is arranged at the front end of each digital camera. The laser demarcation device calibration system is combined with technology of light tube small angle measuring, machine vision measuring, data fusion and the like to perform accuracy detection and calibration on a laser demarcation device, and detection results can be quantified, stored and subjected to database creating management. The laser demarcation device calibration system is convenient to assemble and disassemble, simple to calibrate and small in occupied area, damage of laser to human eyes can be greatly reduced, workload of personnel can be reduced, influences of subjective factors of human beings can be avoided, and efficiency and accuracy of detection and calibration are improved.

Description

technical field [0001] The present invention relates to a calibration system for a laser line thrower, in particular to a digital detection and calibration system for a laser line thrower based on machine vision measurement technology. Background technique [0002] The laser line thrower is a new type of laser miniaturized surveying and mapping measuring instrument. Due to its low cost, simple operation, reliable accuracy and non-contact measurement method, the laser line thrower is widely used in machining, furniture manufacturing, architectural decoration, etc. The field has been popularized and the market prospect is broad. Most of them use 635nm laser diodes, which can project visible red horizontal straight lines and lead vertical lines on the surface of the object to be shot, such as the wall, to play the role of marking the reference line, so the laser line projector is also called the laser line marker. In recent years, a line projector using a green laser with a wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00
CPCG01C15/004G01C25/00
Inventor 许贤泽刘盼盼
Owner WUHAN UNIV
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