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High performance line structured light generator for 3D vision sensor

A visual sensor, line structured light technology, applied in instruments, optics, optical components, etc., can solve the problems of uneven brightness of thickness and stray light, etc., and achieve the effect of improving brightness uniformity, optimizing stray light, and improving processing effect.

Pending Publication Date: 2022-04-29
HENAN ALSONTECH INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Line structured light is a commonly used structured light source in the visual industry. It is widely used in the above-mentioned 3D positioning and 3D detection and other visual fields. However, the line structured light currently on the market has the disadvantages of uneven thickness and brightness and more stray light.

Method used

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  • High performance line structured light generator for 3D vision sensor

Examples

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Comparison scheme
Effect test

no. 1 example

[0019] The first embodiment: as figure 1 As shown, the high-performance line structured light generator for 3D vision sensors includes a placement cylinder 1 with openings at both ends and a housing 2 detachably mounted on the placement cylinder 1. The housing 2 has the same structure as the placement cylinder 1. The installation channel of the shaft, the laser tube 3 is installed on the end of the installation channel away from the placement tube 1, and the aspheric lens is installed on the end of the installation channel close to the placement tube 1, specifically, the aspheric lens is arranged on the In the installation sleeve 11, a Powell prism 5 is arranged inside the placement cylinder 1, and the placement cylinder 1 also has an adjustment structure for adjusting the angle of the Powell prism 5.

[0020] The Powell prism 5 is installed on a fixed seat 6, and the fixed seat 6 is installed in the placement cylinder 1. The adjustment structure includes a perforation penetra...

no. 2 example

[0029] The difference between this embodiment and the first embodiment is that the laser tube and the housing can also be fixed by means of a jacking screw.

no. 3 example

[0031] The difference between this embodiment and the first embodiment is that the number of perforations may be not two, but one, three or adjusted according to actual needs.

[0032] In the present invention, unless otherwise specified and limited, for example, it can be fixed connection, detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be direct connection or The indirect connection through an intermediary can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in the present invention according to the specific situation. specific meaning in .

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Abstract

The invention relates to the technical field of light generators, in particular to a high-performance line structure light generator for a 3D visual sensor, the line structure light generator comprises a placing cylinder with two open ends and a shell detachably mounted on the placing cylinder, and the shell and the placing cylinder are provided with coaxial mounting channels. A laser tube is installed at the end, away from the containing cylinder, of the installation channel, an aspherical lens is installed at the end, close to the containing cylinder, of the installation channel, a Powell prism is arranged in the containing cylinder, and the containing cylinder is further provided with an adjusting structure used for adjusting the angle of the Powell prism. According to the invention, the brightness uniformity of the linear structured light can be effectively improved, and stray light is optimized.

Description

technical field [0001] The invention relates to the technical field of light generators, in particular to a high-performance line-structured light generator for 3D vision sensors. Background technique [0002] With the development of the economy and the advancement of science and technology, people are increasingly applying automation technology to production and life, and accordingly, higher requirements are placed on automation technology. In recent years, the popularity of industrial robots has led to wider application and attention of robot automation. Many robot systems have integrated vision systems, using machine vision technology to achieve detection, identification, positioning and other functions, and provide necessary information for subsequent robot movements. [0003] The working principle of the 3D vision sensor is to collect data through industrial cameras. In the field of robot automation, 3D vision technology has been more and more widely used. For example...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/09G02B7/18
CPCG02B27/0927G02B27/0955G02B27/0972G02B7/1805
Inventor 苗庆伟李杰黄素霞
Owner HENAN ALSONTECH INTELLIGENT TECH CO LTD
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