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X-ray nondestructive flaw detection device based on lobster eye lens

A lobster eye lens and non-destructive testing technology, applied in the field of non-destructive testing and X-ray non-destructive testing, can solve the problems of limited thickness of detected objects, poor image resolution, high cost, etc., and achieve high cost reduction, good resolution, and structural composition. simple effect

Inactive Publication Date: 2018-11-23
NORTH NIGHT VISION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the existing X-ray non-destructive testing equipment has disadvantages such as complex structure, high cost, limited thickness of the detected object, and poor image resolution.

Method used

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  • X-ray nondestructive flaw detection device based on lobster eye lens
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  • X-ray nondestructive flaw detection device based on lobster eye lens

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Embodiment Construction

[0032] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0033] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0034] A specific embodiment of the present invention provides an X-ray nondestructive testing device based on a lobster eye...

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Abstract

The invention discloses an X-ray nondestructive flaw detection system and device based on a lobster eye lens. The device mainly comprises an X-ray light source, the lobster eye lens, an object to be detected, an X-ray imaging detector, a signal processing system and the like and can be applied to nondestructive flaw detection. The X-ray beam emitted by the X-ray light source is irradiated onto thesurface of the lobster eye lens to be focused to form high-strength crossed focal spots so as to perform flaw detection with the object to be detected at the focal length, flaw detection signals arecollected by the X-ray detector, and finally, flaw centroid positions and boundary patterns inside and outside the object to be detected are obtained by a matrix centroid method and a Canny boundary algorithm. The system and the device disclosed by the invention can quickly realize nondestructive detection of structures, impurities, breakdown channels, shape distortion and the like inside and outside the object to be detected, can accurately obtain high-definition flaw information and results of the object, are simple in structure and have wide application prospects in the field of detection.

Description

technical field [0001] The invention relates to an X-ray nondestructive flaw detection device based on a lobster eye lens, and belongs to the field of nondestructive flaw detection, especially the field of X-ray nondestructive flaw detection. Background technique [0002] At present, there are mainly five kinds of non-destructive testing commonly used: ultrasonic testing UT (Ultrasonic Testing), magnetic particle testing MT (Magnetic particle Testing), penetrant testing PT (Penetrant Testing), eddy current testing ET (Eddycurrent Testing), X-ray testing RT (Radiographic Testing). Among them, magnetic particle testing, penetrant testing and eddy current testing are mainly aimed at surface and near-surface defects of the object to be tested, and are not suitable for internal defect detection of objects. Ultrasonic testing requires a smooth working surface, and it is difficult to identify defects without intuitive imaging, which is subject to large fluctuations due to human fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04
CPCG01N23/04G01N2223/03G01N2223/1016
Inventor 金戈张正君徐伟顾燕郭一亮丛晓庆宋淳李冬李丽敏王健
Owner NORTH NIGHT VISION TECH
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