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X-ray machine front radiation detection device

A radiation detection and X-ray machine technology, applied in the field of radiation detection devices in front of X-ray machines, can solve the problem of long detection time of a radioactive material detector, and achieve the effect of avoiding terrorist attacks

Inactive Publication Date: 2020-04-24
中广核久源(成都)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The detection time of the entry-exit radioactive material detector is long, so it is not suitable for rail transit

Method used

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  • X-ray machine front radiation detection device
  • X-ray machine front radiation detection device
  • X-ray machine front radiation detection device

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Embodiment Construction

[0014] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] In the following description, references to "one embodiment," "an embodiment," "an example," "example," etc. indicate that such described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitations, but not every embodiment or example necessarily includes the specific feature, structure, characteristic, property, element or limitation. Additionally, repeated use of the phrase "according to one embodiment of the present application" does not necessarily refer to the same embodiment, although it may.

[0016] For simplicity, some technical features known to those skilled in the art are omitted from the following description.

[0017] According to one embodiment of the pres...

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Abstract

The invention provides an X-ray machine front radiation detection device comprising three sets of plastic scintillator detectors, an analog-to-digital conversion unit, an energy spectrum measurement unit, a power supply system and an upper computer. The three sets of plastic scintillator detectors are respectively arranged on the top side, the left side and the right side; the three sets of plastic scintillator detectors are used for detecting gamma rays released by radionuclide substances transported by the conveyor belt. The X-ray machine front radiation detection device also comprises a voltage feedback amplifier which amplifies the signals and sends the amplified analog nuclear pulse signals to the analog-to-digital conversion unit of each detector; the analog-to-digital conversion unit performs digital processing on the amplified analog signal to form a digital pulse signal, and then the digital pulse signal enters a single-chip microcomputer for digital signal processing; the energy spectrum measurement unit carries out pulse shaping on the digital nuclear pulse signal, carries out pulse amplitude discrimination, then forms gamma counting and sends the gamma counting to the upper computer.

Description

technical field [0001] The invention specifically relates to a radiation detection device in front of an X-ray machine. Background technique [0002] Urban rail transit has the characteristics of being relatively closed, densely populated, and difficult to evacuate. If it is damaged, it will easily lead to serious consequences, and urban rail transit accounts for nearly 1 / 3 of it. At this stage, some cities in my country have used X-ray machines, liquid inspection instruments, explosives inspection instruments, metal detectors and other equipment to conduct safety inspections at the entrances and exits of urban rail transit. [0003] In our country, radiation detectors are mainly used in military, medical, industrial, agricultural, geological survey, scientific research and other fields. It is used to detect the radiation pollution of the environment. Usually, according to the detection site and detection purpose, multiple types of radiation detectors are used together or m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V5/00G01T1/36G01T1/203
CPCG01T1/362G01T1/203G01V5/22
Inventor 肖明赵柏俊王俊丽
Owner 中广核久源(成都)科技有限公司