Radioactivity measurement device and method

A technique for measuring radioactivity and measuring signals, applied in measuring devices, radiation measurement, X/γ/cosmic radiation measurement, etc.

Pending Publication Date: 2022-05-13
IMDETEK
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of this application is to provide a radioactive measuring device and method for the deficiencies in the above-mentioned prior art, to solve the problem that the existing radioactive measuring device is difficult to measure indoor gamma rays and radon concentrations on the basis of miniaturization The problem

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  • Radioactivity measurement device and method
  • Radioactivity measurement device and method

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Embodiment Construction

[0025] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. It should be noted that, in the case of no conflict, various features in the embodiments of the present application may be combined with each other, and the combined embodiments are still within the protection scope of the present application. It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

[0026] In the description of this application, it should be noted that the terms "center...

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Abstract

The invention provides a radioactivity measurement device and method, and relates to the technical field of radioactivity measurement, the radioactivity measurement device comprises a shielding shell with an inner cavity, a diffusion channel for communicating the inner cavity with the outside is further formed in the shielding shell, and a detector and a circuit board with a processing circuit are arranged in the inner cavity; the processing circuit comprises a first threshold circuit and a second threshold circuit, the detector is connected with the first threshold circuit and the second threshold circuit of the processing circuit, and the detector is used for receiving alpha particles and gamma rays entering the inner cavity through the diffusion channel and forming analog signals. The first threshold circuit and the second threshold circuit are used for outputting an alpha particle measurement signal and a gamma ray measurement signal according to the analog signal. According to the radioactive detection device, alpha particles and gamma rays released by radon and daughters in the decay process are measured at the same time, the structure of the radioactive detection device is further simplified, and the radioactive detection device is particularly suitable for being used in the environment with the high requirement for indoor measurement and portability.

Description

technical field [0001] The present application relates to the technical field of radioactivity measurement, in particular, to a radioactivity measurement device and method. Background technique [0002] Radon and its progeny are produced by the decay of uranium and thorium series in the natural radioactive series, and are one of the main sources of natural radiation for human beings. About 1.3msv per year, accounting for 54% of natural radiation, of which the contribution of indoor radon is lmsv. However, radon and its progeny exist widely in the atmosphere. Therefore, how to detect the concentration of radon and its progeny in the indoor environment is a common concern of many disciplines. In addition, the radiation of gamma rays also has certain effects on the body. [0003] Based on this, it is very necessary and urgent to develop an indoor radioactivity measurement device for people's health. However, there is no small-volume portable measurement device that can simult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/167
CPCG01T1/167
Inventor 李建刘海峰王焱张保强马勇马虹燕席守智汤三奇
Owner IMDETEK
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