Container checking system with CT fault scanning function

A technology of tomography and inspection system, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of limiting the accuracy of inspection of complex containerized goods, unable to obtain tomographic images, etc., to achieve reasonable design, accurate inspection results, and reduced The effect of floor space

Active Publication Date: 2006-05-31
NUCTECH CO LTD
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Problems solved by technology

[0003] The above-mentioned X-ray radiation imaging inspection system currently in use, because its detection devices are all fixedly installed, usually has only one direction of relative movement with respect to the object to be

Method used

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  • Container checking system with CT fault scanning function
  • Container checking system with CT fault scanning function

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[0014] See figure 1 with figure 2 , The present invention includes a radiation source 1, a corrector 2, a front collimator 3, a rear collimator 6, a detector array 5, and a transport device 7 capable of loading a container inspection vehicle to perform reciprocating linear motion using a linear electron accelerator or isotope, and A remote control device 9 equipped with an image acquisition module, an operation inspection module, and an electrical control module. The conveying device 7 of the container inspection vehicle that can be loaded with a plate conveyor chain structure carried by multiple rows of cylindrical rollers is composed of two parts and forms a discontinuous structure. A circular ring that allows the container inspection vehicle to pass is arranged in the longitudinal direction of the discontinuous gap 11形转架4。 Shaped rotating frame 4. The radiation source 1 and the corrector 2 facing the radiation source 1 are fixed on the outer side of the circular rotating frame...

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Abstract

A container detection system with CT fault scanning function is prepared as fixing radiation source and calibrator facing to said source on external side of circular rotation frame and front collimator, back collimator and detector array on internal side of circular rotation frame to let sector X ray pass through appliance, front collimator and container detection vehicle then to face just to back collimator and detector array; hinging circular rotation frame on circumnavigation frame fixed on ground to enable circular rotation frame to rotate synchronously around as fixed center by utilizing a driving device.

Description

technical field [0001] The invention relates to a large-scale container inspection system used by customs, in particular to a container inspection system with CT tomographic scanning function. Background technique [0002] In the prior art, since the beginning of the 1990s, drag-type container detection systems have come out, such as the large-scale container detection systems produced by Heyman and British Aerospace. They are installed in a radiation-shielding inspection channel, equipped with a fixed radiation source that can generate high-energy X-rays and an array detector that can receive X-rays passing through the container. The container vehicle is dragged through the detection channel. When the container passes through the X-ray beam, the X-rays that pass through the container penetrate into the detector. According to the intensity change, the density distribution of the objects contained in the box is reflected, and the ray intensity is transformed into The gray sc...

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Application Information

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IPC IPC(8): G01N23/04G01N23/083G01N23/10
Inventor 胡海峰吴玉成王利明孙尚民韩彦军彭华江南梁志忠
Owner NUCTECH CO LTD
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