Detection device for annular multi-surface prism

A multi-faceted prism and detection device technology, which is applied to measurement devices, optical devices, instruments, etc., can solve the problems of high cost, large space occupation, low efficiency, etc., and achieve the effect of low cost, small space occupation, and high efficiency

Pending Publication Date: 2019-10-11
SHANGHAI WORKPOWER TELECOM TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The problem is that the mirror surface can only collect information from one side of the inspected product. If the inspected product needs to be inspected in multiple directions, the inspected product needs to be turned over and multiple shots are required, or multiple Cameras or multiple cameras are used to shoot the inspected product, which has the defects of high cost, low efficiency, large space occupation, complicated operation and poor comparability between samples

Method used

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  • Detection device for annular multi-surface prism
  • Detection device for annular multi-surface prism
  • Detection device for annular multi-surface prism

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Embodiment Construction

[0015] refer to figure 1 , figure 2 , image 3 , the present invention includes a polygonal prism 1, a light source 2 and an industrial camera 3;

[0016] Described polyhedral prism 1 is made of prism base 11 and reflecting mirror 12, and prism base 11 is a rectangular body, and the rectangular body is provided with the hole of octagon along the axis, and each limit of octagon is all provided with the reflection of a plane. The mirror seat, the angle between the plane where the reflector seat is located and the axis is 45°, and the reflector 12 is eight pieces, which are respectively attached to each reflector seat of the octagon. The light source 2 is a cylindrical part, and the light source 2 Illumination lamps 21 are evenly distributed along the circumference on the cylindrical inner wall; the polygonal prism 1 , light source 2 and industrial camera 3 are arranged in sequence along the axis of the prism base 11 .

[0017] Embodiment of the invention

[0018] In the ass...

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Abstract

The invention discloses a detection device for an annular multi-surface prism. The detection device comprises a multi-surface prism, a light source and an industrial camera. A prism seat provided withan octagonal hole along an axial line is adopted, and each edge of the octagon is independently provided with a plane reflecting mirror to form an octagonal prism; in addition, a plane where each reflecting mirror is positioned and the axial line form an included angle of 45 degrees; a detected product is arranged on the axial line of the prism seat; eight reflecting mirrors carry out informationcollection on the collection point of the detected product in all directions from the normal of the axial line; the information is reflected by eight reflecting mirrors arranged at an included angleof 45 degrees along the axial line and is shot by the industrial camera arranged along the axial line; and a shot sample wafer is analyzed, studied and judged to realize the multidirectional detectionof the appearance or the size of the product. The detection device has the advantages of low cost, high efficiency, small land occupation, convenience in operation and high comparability among samplewafers.

Description

technical field [0001] The invention relates to the technical field of optics and vision detection, in particular to a detection device for a ring-shaped polygonal prism. [0002] technical background [0003] Optical and machine vision inspections have been widely used in industrial production, such as product size inspection and product appearance defect inspection. In the prior art, optical and machine vision inspections usually use mirrors to receive and reflect the collection points of the inspected products, which are photographed by industrial cameras. At the collection point, through the analysis and judgment of the sample, the appearance or size of the product can be detected, and the light source is used to supplement the light for the industrial camera during the inspection process. [0004] The problem is that the mirror surface can only collect information from one side of the inspected product. If the inspected product needs to be inspected in multiple direction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01N21/01G01N21/958
CPCG01B11/00G01N21/01G01N21/958
Inventor 查韶辉
Owner SHANGHAI WORKPOWER TELECOM TECH
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