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Miniature back scattering X-ray inspection device

An inspection device and backscattering technology, applied in measuring devices, material analysis using wave/particle radiation, instruments, etc., can solve problems such as weak transmission ability, low scanning speed and image resolution, small maximum detection distance, etc., to achieve The effect of widening the data area, easy radiation protection, and real-time recording

Active Publication Date: 2011-08-10
THE FIRST RES INST OF MIN OF PUBLIC SECURITY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the existing safety detection devices using backscattering technology have disadvantages such as weak transmission ability, small maximum detection distance, low scanning speed and image resolution.

Method used

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  • Miniature back scattering X-ray inspection device
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Experimental program
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Embodiment Construction

[0029] The present invention comprises: a central control and processing unit (CCPU) 1, a chopper wheel controller 28 connected to the central control and processing unit 1, an X-ray source controller 22, a host computer 9, a ray screen door controller 27, and a system Control keyboard 16 , scan speed display 13 , backscatter signal preamplifier 31 , radiation warning device 17 , safety interlock switch 19 and temperature control module 15 . The central control and processing unit 1 includes a network module 2 , a digital signal processing circuit 3 , a system control circuit 4 , a safety interlock logic circuit 5 , and a low-voltage power supply module 6 . The chopping wheel system 29 that is connected with the chopping wheel controller 28, the column that is arranged on the chopping wheel system 29, the wheel synchronous sensor 30, the backscattering signal adapter 32 that is connected with the backscattering signal preamplifier 31, the backscattering signal Scatter detector...

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PUM

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Abstract

The invention discloses a miniature back scattering X-ray inspection device, which comprises a central control and processing unit, and a chopped wave wheel controller, an X-ray source controller, a host computer, a ray shield door controller, a system control keyboard, a scanning speed display, a back scattering signal preamplifier, a ray warning device, a safe interlock switch and a temperaturecontrol module which are connected with the central control and processing unit respectively. The central control and processing unit comprises a network module, a digital signal processing circuit, a system control circuit, a safe interlock logic circuit and a low-voltage power supply module. The miniature back scattering X-ray inspection device has the characteristics of strong transmission capacity, long maximum detection distance, quick scanning speed, high image definition and image resolution ratio, low ray leakage dose rate and the like.

Description

technical field [0001] The invention relates to a small backscattered X-ray inspection device, which belongs to the technical fields of X-ray safety inspection and radiation imaging. technical background [0002] X-ray backscattering technology is mainly used in the detection of security inspections, hidden drugs and explosives. X-ray backscattering technology can distinguish different types of substances, especially explosives and drugs mixed in multiple types of items or hidden in camouflage interlayers. All kinds of contraband that empties the structural space, especially effective for the detection of sheet explosives. The backscatter detector and the X-ray source are on the same side of the object to be inspected. It does not require whether the rays can penetrate the object to be inspected. As long as the energy of the rays can meet a certain intensity requirement, the thickness of the inspection can be large enough; backscattering technology can It is used for non-co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/203
Inventor 陈惠民陈学亮梁泽陈力崔玉华肖广安李晓莉王建荣邢羽董国平苗祥月
Owner THE FIRST RES INST OF MIN OF PUBLIC SECURITY
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