Detection device and method
A technology of main light source and auxiliary light source, applied in measurement devices, optical testing of flaws/defects, material analysis by optical means, etc., can solve problems such as low detection efficiency, inability to meet automated production, etc., to reduce detection time and expand appearance. The effect of detecting the area and improving the efficiency
Pending Publication Date: 2021-08-06
宁波星帆信息科技有限公司
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Problems solved by technology
This method is inefficient in detection and cannot meet the needs of automated production
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[0038] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily realize them. Also, for clarity, parts not related to describing the exemplary embodiments are omitted in the drawings.
[0039] In the present disclosure, it should be understood that terms such as "comprising" or "having" are intended to indicate the presence of features, numbers, steps, acts, components, parts or combinations thereof disclosed in the specification, and are not intended to exclude one or a plurality of other features, numbers, steps, acts, parts, parts or combinations thereof exist or are added.
[0040] In addition, it should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings...
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The embodiment of the invention discloses a detection device and method, and the device comprises a main light source which is used for irradiating a to-be-detected part from the top; at least two auxiliary light sources, the light-emitting surfaces of the auxiliary light sources are oppositely arranged, and the auxiliary light sources are used for irradiating the to-be-detected component from the side surfaces; and a light source controller which is in signal connection with the main light source and the at least two auxiliary light sources and is used for adjusting the light source brightness values of the main light source and the at least two auxiliary light sources, so that the illumination of the surface of the to-be-detected component is uniform. According to the technical scheme, the main light source and the at least two auxiliary light sources are combined, a lighting mode meeting the requirement for joint detection of the appearance and the size of the to-be-detected component is provided, for the shaft component, appearance defects and the detection size can be effectively recognized, the appearance detection area of the shaft component is enlarged, the number of image collection times for full-surface analysis of the shaft component is reduced, the detection time is reduced, and the efficiency is improved.
Description
technical field [0001] The present disclosure relates to the technical field of machine vision detection, and in particular to a detection device and method. Background technique [0002] The parts produced by machine processing often need to be inspected for appearance, such as whether there are spots, scratches, fingerprints and other defects. At the same time, the size of the parts also needs to meet the preset specifications before they can be sold as qualified parts. In the prior art, the method of using machine vision technology to detect the appearance and size of parts is basically carried out separately, that is, to detect one of the appearance or size first, and then to detect the other. This method has low detection efficiency and cannot meet the needs of automated production. Contents of the invention [0003] In order to solve problems in related technologies, embodiments of the present disclosure provide a detection device and method. [0004] In a first as...
Claims
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IPC IPC(8): G01N21/88
CPCG01N21/8806G01N2021/8835
Inventor 周建锋应伟伦刘园松
Owner 宁波星帆信息科技有限公司