Explosive substance testing system apparatus and testing method thereof

A detection system and explosives technology, applied in the field of explosives detection, can solve problems such as detection interference, achieve the effects of improving accuracy and reliability, solving fluidity detection problems, and improving the degree of automation and intelligence

Inactive Publication Date: 2008-11-12
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

[0006] The above-mentioned patents and technical methods have solved the technical problems of explosive detection in theory, but in practice, it is necessary to further solve the detection interference problems c

Method used

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  • Explosive substance testing system apparatus and testing method thereof
  • Explosive substance testing system apparatus and testing method thereof
  • Explosive substance testing system apparatus and testing method thereof

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Embodiment Construction

[0050] like figure 1 As shown, an explosive detection system device is composed of an X-ray optical path subsystem 3 , a detection subsystem 6 , a servo subsystem 4 and a computer subsystem 5 .

[0051] The X-ray optical path subsystem 3 is composed of a high-energy optical path 1 , a low-energy optical path 2 , and an optical path controller 31 . The high-energy optical path 1 is composed of a 150Kev X-ray white light high-energy light source 11 , a high-energy power supply 14 , a high-energy collimator 12 and a high-energy attenuator 13 . The low-energy optical path 2 is composed of an X-ray white light low-energy light source 21 with an energy range of 75Kev, a low-energy power supply 24 , a low-energy collimator 22 and a low-energy attenuator 23 .

[0052] The detection subsystem 6 is composed of a high-energy solid detector 61 with high energy resolution, a high-energy multichannel detector 62 , a low-energy solid detector 63 , and a low-energy multichannel detector 64 ....

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Abstract

The invention discloses an explosive substance testing system apparatus and testing method thereof. The apparatus includes an X-ray light path subsystem, a detecting subsystem, a servo subsystem and a computer subsystem, wherein the light path subsystem includes a 75Kev and a 150Kev energy segment white light sources; the light path subsystem and the detecting subsystem are totally mounted on a multiple shaft mechanical platform, at different angle positions at the same side relative to the object, so as to configure a Compton backscattering geometric light path. The testing method includes a computer software control method and a data processing method, including: adopting a control method integrating the scanning detecting and tracking detecting, acquiring the density information and Compton scattering energy difference pair information data of the object by a solid state detector to execute data-handling and characteristic matching, obtaining the density and effective atomic number information of the object, and determining whether the object is the explosive substance and the affiliated species by the pattern recognition, thereby implementing the quick, safe and nondestructive testing, which is suitable for flow ability test of case or human body carrying explosive substance.

Description

technical field [0001] The invention relates to the technical field of explosive detection, in particular to an explosive detection system device and a detection method using dual multi-energy energy dispersive X-ray Compton backscattering technology. Background technique [0002] Crystal explosives in powder form can be hidden in clothing bags, easy to carry and transport, and become an important contraband that endangers society. Therefore, explosives detection technology, especially the device and detection method that can quickly and nondestructively detect suspicious contraband in the flow under the premise of ensuring human safety, plays a very important role in national security and social stability. [0003] Among the many explosive detection technologies, X-ray is the most widely used technology. Generally, the phase method or imaging method is used to detect whether the target is explosive and to identify the type. X-ray phase detection method (such as X-ray diffr...

Claims

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Application Information

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IPC IPC(8): G01N23/203G06F17/00
Inventor 康南生李民强刘锦淮路巍
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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