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Image signal acquisition and processing device for x-ray non-destructive testing

An image signal, non-destructive testing technology, applied in the direction of using radiation for material analysis, etc., can solve the problems of small dynamic range, insufficient noise suppression and elimination, system deviation, etc., to achieve the effect of large dynamic range, improved transmission speed, and stable performance

Inactive Publication Date: 2017-04-19
XI'AN POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0004] The purpose of the present invention is to provide an image signal acquisition and processing device for X-ray non-destructive testing, which solves the problems of small dynamic range, system deviation and insufficient noise suppression and elimination in the prior art

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  • Image signal acquisition and processing device for x-ray non-destructive testing
  • Image signal acquisition and processing device for x-ray non-destructive testing
  • Image signal acquisition and processing device for x-ray non-destructive testing

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 , figure 2 , image 3 As shown, the overall structure of the device of the present invention is a detector line array 1 composed of a certain number of detectors receiving X-rays, and the detectors in the detector line array 1 are fixedly grouped and connected to each analog signal processing sub-board 2 correspondingly. , each analog signal processing sub-board 2 is jointly connected with the image acquisition and processing motherboard 3, each analog signal processing sub-board 2 is connected with the image acquisition and processing motherboard 3 through a correspondingly set power interface and communication interface,

[0024] All the detectors are fixed side by side on the mounting bracket 4. DM1, DM2 in the figure represent each detector in turn, each group of four, and then connected to the corresponding ana...

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Abstract

The invention discloses a picture signal acquiring and processing apparatus used for X-ray nondestructive detection. The apparatus includes a detector linear array, detector packets in the detector linear array are correspondingly connected with analog signal processing daughter boards respectively, and the analog signal processing daughter boards respectively are connected with an image acquiring and processing motherboard; all detectors are closely fixed on a mounting support side by side, four detectors compose a group, and each group is correspondingly connected to the corresponding analog signal processing daughter boards through a cable; and a lead plate is isolated between the analog signal processing daughter boards and the image acquiring and processing motherboard, and the periphery of the detector linear array, the analog signal processing daughter boards and the image acquiring and processing motherboard is provided with a metal shell formed by metal plates. The apparatus transits the output signals of the detectors to digital image data and sends the data to a host computer, so the whole imaging process error is maximally inhibited, the real time property is strong, and the X-ray detection imaging quality is high.

Description

technical field [0001] The invention belongs to the technical field of automatic detection, and relates to an image signal acquisition and processing device for X-ray non-destructive detection. Background technique [0002] The industrial automation of X-ray detection uses the industrial camera of machine vision to shoot the target object and transmit it to the host computer. The computer extracts the feature information of the picture according to the set special image processing program and makes corresponding judgments, and then controls the output module to make corresponding actions. . The industrial camera for detection is a signal acquisition and processing device. Using this kind of device in X-ray non-destructive testing can use the detector to complete the detection task in the field invisible to the naked eye, with high resolution and fast acquisition speed; there is a unified test standard for batch testing, which is convenient for standardized management and im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/04
Inventor 屈银虎成小乐张航鲜刘新峰蒙敏荣蒙青
Owner XI'AN POLYTECHNIC UNIVERSITY
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