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Striped light coating flaw detection device

A stripe light and blemish technology, applied in the field of stripe light coating blemish detection device, can solve the problems of inaccurate detection, high cost, deformation and incapable of clear shooting, etc., and achieve the effect of great economical applicability and easy installation

Pending Publication Date: 2021-06-25
成都小淞科技有限公司
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  • Claims
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Problems solved by technology

The disadvantage of this mode is that it has certain limitations for defects without deformation on the surface and cannot be accurately detected. Moreover, this light source requires a manipulator to move as a whole, which is expensive and has certain limitations for promotion.
The other mode adopts uniform lighting, which makes full use of the reflected light characteristics of car body defects to collect images. This lighting mode has extremely strict requirements for the position of the camera and the algorithm, and it cannot be used for defects with small deformation. problem with sharp shots

Method used

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Embodiment Construction

[0016] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] In the following description, references to "one embodiment," "an embodiment," "an example," "example," etc. indicate that such described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitations, but not every embodiment or example necessarily includes the specific feature, structure, characteristic, property, element or limitation. Additionally, repeated use of the phrase "according to one embodiment of the present application" does not necessarily refer to the same embodiment, although it may.

[0018] For simplicity, some technical features known to those skilled in the art are omitted from the following description.

[0019] According to an embodiment of the prese...

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Abstract

The invention provides a striped light coating flaw detection device. The striped light coating flaw detection device comprises a light source component, a PC diffusion plate, a striped structured light film and an image acquisition component. The light source component is an LED array surface light source. The PC diffusion plate is used for carrying out light equalizing treatment on the light source component. A design pattern for defect collection is printed on the striped structured light film, and the striped structured light film is used for projecting a structured light pattern on a vehicle body through projection of the light source component. The image acquisition component is used for shooting a spraying flaw sample acquired by striped structured light. Through the striped light film device, the image acquisition system can clearly acquire different types of flaw characteristics, and a good foundation is laid for subsequent flaw detection. The device is simple and convenient to install and has great economic use value.

Description

technical field [0001] The invention specifically relates to a detection device for stripe light coating defects. Background technique [0002] In recent years, intelligent spraying defect detection has received extensive attention. Among them, lighting is a very important part of spraying defect detection. [0003] At present, there are mainly two lighting methods for spraying defect detection. A method of projecting several groups of sinusoidal fringe lights with different phases through the LCD screen, and using the phase unwrapping algorithm on the host side to perform three-dimensional reconstruction on the surface of the car body to locate the position of the defect. The disadvantage of this mode is that it has certain limitations for defects without deformation on the surface and cannot be accurately detected. Moreover, this light source requires a manipulator to move as a whole, which is expensive and has certain limitations for promotion. The other mode adopts un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
CPCG01N21/8806
Inventor 曹海川
Owner 成都小淞科技有限公司
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