Radioactivity measuring device and measuring method
A technology of radioactivity and measuring devices, applied in the field of radioactivity measuring devices, can solve the problems of low efficiency, unsafety, and inaccurate measurement of manual sample changes, and achieve the effect of improving work efficiency and measurement accuracy
Active Publication Date: 2020-08-25
CHINA INSTITUTE OF ATOMIC ENERGY
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[0005] The embodiment of the present disclosure provides a radioactivity measurement device and measurement method, which solves the problems of low efficiency, unsafety, and inaccurate measurement of manual sample replacement in related technologies
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[0025] In order to enable those skilled in the art to better understand the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only It is an embodiment of a part of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.
[0026] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs.
[0027] Embodiments of the present disclosure provide a radioactivity measuring device, figure 1 or figure 2 A radioactivity measur...
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The embodiment of the invention provides a radioactive activity measuring device, which comprises a sample storage part for providing a sample storage space; a detection part which is used for measuring the activity of the to-be-detected sample; a sample replacement part which is arranged above the sample storage part and is used for moving the sample to be detected to the detection part and moving the measured sample to the sample storage part; and a control part which is electrically connected with the sample storage part, the sample changing part and the detection part and is used for controlling sample changing and measurement; the sample changing part comprises a first moving part, and the first moving part is used for driving a sample to move back and forth between the detection partand the sample storage part; and the detection part is provided with a second moving part for moving the sample to be detected to a measurement position. According to the measuring device disclosed by the embodiment of the invention, the defect that manual sample replacement is adopted in the prior art is overcome; and meanwhile, the measurement position is adjusted, so that optimized measurementtime and measurement precision can be provided.
Description
technical field [0001] The present disclosure relates to the technical field of radionuclide detection, in particular to a radioactivity measurement device and a measurement method. Background technique [0002] The gamma energy spectrometer is an instrument for detecting gamma rays. The radionuclides and their contents contained in the sample are determined by detecting and analyzing the gamma energy spectrum. For example, a high-purity germanium spectrometer is used to detect a certain nucleus The γ-ray energy of the fixed energy peak emitted by the nuclide is counted to determine the content of the nuclide. At present, the process for the above-mentioned detection generally adopts manual sample change, that is, firstly open the side door of the lead chamber during measurement, then put the sample box into the position to be tested in the lead chamber, close the side door, and then start the spectrometer for measurement. After the end, change to another sample, and repeat...
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IPC IPC(8): G01T1/178
CPCG01T1/178
Inventor 陈晓亮陈效先胡晓梁松赵阶成章秩烽徐健平周敏兰
Owner CHINA INSTITUTE OF ATOMIC ENERGY