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Gate-type oblique-angle bottom illumination X-ray machine

An X-ray machine and oblique angle technology, applied in the field of X-ray safety inspection, can solve the problems of inability to judge the type of material, inconvenient application, single energy of X-ray source, etc., and achieve a comprehensive effect in the safety inspection process

Pending Publication Date: 2020-10-30
李国军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the security inspection equipment provided by this patent has two viewing angles, the detectors it uses are all L-shaped detectors, which still cannot detect the front and back of the object to be inspected, and cannot fully present the shape of the object; at the same time, the X The ray sources are located on the right side and the bottom of the conveying channel, which increases the overall volume of the equipment and makes it inconvenient to use; in addition, the energy emitted by the X-ray source used is single, which can only be used to identify the density and shape of objects, and cannot Accurate judgment of the material type of the object still has certain limitations in practical application

Method used

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  • Gate-type oblique-angle bottom illumination X-ray machine
  • Gate-type oblique-angle bottom illumination X-ray machine
  • Gate-type oblique-angle bottom illumination X-ray machine

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Experimental program
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Embodiment 1

[0031] Such as Figure 3 ~ Figure 5As shown, this embodiment provides a door-type oblique bottom-illuminated X-ray machine, which includes a box body 1, a transmission assembly arranged in the box body 1 for transmitting objects to be inspected, an X-ray detection assembly, and all A control component connected to the X-ray detection component and an image processing system connected to the control component.

[0032] In this embodiment, the transmission assembly includes a conveyor belt and a gear transmission mechanism for transmitting the object to be inspected from the input end to the output end of the X-ray machine; the conveyor belt carrying the object to be inspected forms a conveying plane 2 .

[0033] The X-ray detection assembly includes a first X-ray source 31 and a first X-ray detector 41 corresponding to the first X-ray source 31, all X-rays emitted by the first X-ray source 31 are captured by the The first X-ray detector 41 receives it.

[0034] The first X-ra...

Embodiment 2

[0044] This embodiment provides a door-type oblique bottom-illuminated X-ray machine, and its structural schematic diagram is as follows Figure 6 shown. Compared with Embodiment 1, the difference of Embodiment 2 is that a second X-ray source 32 and a second X-ray detector 42 corresponding to the second X-ray source 32 are also provided, and the second X-ray source 32 Different from the X-ray emission direction of the first X-ray source 31, it can provide two different detection angles of view for the object to be inspected, avoiding the problem that some items are difficult to fully display under a single angle of view due to the special placement angle, and make the object to be inspected All objects can be detected and displayed in all directions.

[0045] The structure of the second X-ray source 32 is consistent with that of the first X-ray source 31, the structure of the second X-ray detector 42 is consistent with that of the first X-ray detector 41, and the structure an...

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Abstract

The invention discloses a gate-type oblique-angle bottom illumination X-ray machine, which comprises a box body, a conveying assembly and an X-ray detection assembly, wherein the X-ray detection assembly comprises a first X-ray source and a first X-ray detector corresponding to the first X-ray source; the first X-ray detector is a gate-type detector and comprises a horizontal sensor, and a left vertical sensor and a right vertical sensor which are respectively arranged at two ends of the horizontal sensor and are vertical to the horizontal sensor; one side of the horizontal sensor is arrangedon the upper surface in the box body, and the other side of the horizontal sensor inclines downwards, so that the first X-ray detector inclines towards a conveying plane formed by the conveying assembly. By means of the mode, X-rays emitted by the X-ray source can penetrate through six surfaces of an object, six-surface original 3D data sampling is completed, and comprehensive detection of the object is achieved; and the proportions of all parts in the X-ray imaging result are coordinated without distortion, a more real 3D structure is presented, the security check personnel can conveniently identify through images, and the security check accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of X-ray safety detection, in particular to a door-type oblique bottom-illuminated X-ray machine. Background technique [0002] With the convenience of transportation and the improvement of people's safety awareness, it has become a generally recognized safety measure to carry out security checks on the luggage carried by people entering and leaving in subways, stations, airports, customs, ports and other places. Among various security inspection technologies, X-ray transmission imaging technology has the advantages of good penetration, high spatial resolution, clear imaging, and sensitive response, and has been widely used in the field of security inspection. [0003] At present, the X-ray machine used for security inspection usually consists of a single X-ray source, X-ray detector, conveyor belt and box, and its structure diagram is shown in figure 1 , figure 2 shown. The X-ray detector of this type o...

Claims

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Application Information

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IPC IPC(8): G01V5/00
CPCG01V5/228G01V5/224G01V5/232
Inventor 李国军
Owner 李国军