Gamma ray scanning imaging and radionuclide identification system and method thereof

A scanning imaging and identification system technology, applied in the field of radioactivity monitoring, can solve the problems of inability to give approximate dose rate of contaminated parts, long measurement time, poor signal-to-noise ratio of gamma radiation images, etc.

Inactive Publication Date: 2016-09-28
CHINA INSTITUTE OF ATOMIC ENERGY
View PDF5 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing radiography systems mostly use the structure of coded plate or pinhole collimator (small hole imaging) plus position sensitive detector. This method has three disadvantages: first, the imaging angle of view is small, generally at 30 Between °~40°
Second, the signal-to-noise ratio of the gamma radiation imag

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Gamma ray scanning imaging and radionuclide identification system and method thereof
  • Gamma ray scanning imaging and radionuclide identification system and method thereof
  • Gamma ray scanning imaging and radionuclide identification system and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] A kind of gamma ray scanning imaging and nuclide identification system provided by the invention is made up of detection system, control system, computer system, motion system four parts (see figure 1 ).

[0039] Specifically, it includes a probe 1, a camera 2, a laser rangefinder 3, a Y-axis turntable 5 and an X-axis turntable 6, a two-dimensional rotating platform, a multi-channel analyzer 7, a bearing 8, a power supply 9, and a collimator flange 10 , collimator 11, shock absorbing pad 12, outer casing 13, also includes internal computer, motion control card, motor driver and so on.

[0040] Such as figure 2 , image 3 as shown,

[0041] The Y-axis turntable 5 is arranged on the X-axis turntable 6 , and the outer casing 13 is arranged on the Y-axis turntable 5 . The horizontal rotation range of the X-axis turntable is -90° to +90°, and th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Lengthaaaaaaaaaa
Lengthaaaaaaaaaa
Lengthaaaaaaaaaa
Login to view more

Abstract

The invention belongs to the technical field of radioactivity monitoring, and in particular relates to a γ-ray scanning imaging and nuclide identification system and method thereof, comprising an outer casing arranged on a Y-axis turntable, the Y-axis turntable is arranged on the X-axis turntable, and the Y-axis turntable is driven to drive the Y-axis turntable. , the motor driver of the X-axis turntable, the probe with a tungsten shielding shell arranged in the outer casing, the multi-channel analyzer connected with the probe, which also includes a collimator that can be replaced, one end of the collimator is connected to the probe, and there is A collimation hole with a specific collimation angle; a camera and a laser range finder arranged in the outer casing and close to the probe, the axis of the lens of the camera and the laser emitted by the laser range finder are parallel to the axis of the collimation hole; also includes a connection motor The motion control card of the driver connects and controls the camera, laser rangefinder, multi-channel analyzer and the internal computer of the motion control card; it has the advantages of large scanning range, fast scanning speed, and can calculate the actual dose value of each point in the measured area .

Description

technical field [0001] The invention belongs to the technical field of radiation monitoring, and in particular relates to a gamma-ray scanning imaging and nuclide identification system and method thereof. Background technique [0002] In the fields of storage and transportation of radioactive sources, nuclear waste treatment, anti-terrorism, radioactive detection of goods at transportation ports, environmental radiation pollution monitoring, nuclear power plant and reactor detection, radioactive laboratory and medical department detection, it is necessary to be able to detect radioactively contaminated areas in a timely and rapid manner. Nuclide identification is also required to provide a basis for the location, search and subsequent disposal of radioactive materials. [0003] Commercial gamma-ray real-time imaging acquisition systems (gamma cameras) have been put into the market abroad, but the performance indicators are quite different, and there are few products with nuc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01T1/36
CPCG01T1/36
Inventor 陈欣南杨璐王强王国宝
Owner CHINA INSTITUTE OF ATOMIC ENERGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap