Radiation monitoring system

A radiation monitoring and monitoring terminal technology, which is applied in radiation measurement, radiation intensity measurement, X/γ/cosmic radiation measurement, etc. It can solve the problems of low monitoring sensitivity, inapplicability, and inability to realize unattended radionuclide analysis, etc. , to achieve the effect of wide applicability

Pending Publication Date: 2020-06-26
孔祥松
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  • Abstract
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Problems solved by technology

[0005] Aiming at the technical problems that the monitoring and analysis equipment in the prior art has low monitoring sensitivity, unattended radionuclide analysis cannot be realized, and cannot be applied to occasions where gamma dose rate online monitoring works, the present invention provides a radiation monitoring system, which is used for The scintillation detector for low-range dose rate measurement and the GM counter tube for high-range dose rate me

Method used

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Embodiment 1

[0035] Embodiment 1: The radiation monitoring system of the present invention

[0036] As attached to the manual Figure 3-10 As shown, a radiation monitoring system provided by the present invention includes a monitoring terminal and a monitoring center, and a detector probe, an analog circuit module, an analog-to-digital conversion module, a digital multi-channel analyzer and a microprocessor are arranged in the monitoring terminal, The detector probe is electrically connected to the analog circuit module, the analog circuit module is electrically connected to the digital multi-channel analyzer through the analog-to-digital conversion module, the digital multi-channel analyzer is electrically connected to the microprocessor, and the monitoring terminal communicates with the monitoring center connect.

[0037] In the present invention, the monitoring center includes a computer and a computer processing method, and the computer processing method includes the following steps: ...

Embodiment 2

[0049] Embodiment 2: comparative test of the radiation monitoring system of the present invention

[0050] Compared with the new-generation gamma spectrometer and high-sensitivity gamma dose rate meter currently available on the market, the radiation monitoring system provided by the invention can be arranged in single or multiple points. Easy to operate, high measurement sensitivity, accurate results, reliable performance, and can automatically and continuously monitor the dose equivalent rate around the environment.

[0051] Know that by verification test experiment, the system sensitivity of the present invention is:

[0052] ①Ambient dose equivalent rate range: 20nSv / h~1Sv / h (high and low range switching point is 80μSv / h);

[0053] ② Relative inherent error: <±20%;

[0054] ③Measurable energy range: 50keV~3MeV;

[0055]④ Relative energy resolution: 8% (at 137Cs 662keV);

[0056] ⑤ Number of multi-channels: 1024;

[0057] ⑥ Nuclide Library: Contains no less than 12 com...

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Abstract

The invention provides a radiation monitoring system. The system comprises a monitoring terminal and a monitoring center; a detector probe, an analog circuit module, an analog-to-digital conversion module, a digital multichannel analyzer and a microprocessor are arranged in the monitoring terminal, wherein the detector probe is electrically connected with the analog circuit module, the analog circuit module is electrically connected with the digital multichannel analyzer through the analog-to-digital conversion module, the digital multichannel analyzer is electrically connected with the microprocessor, and the monitoring terminal is in communication connection with the monitoring center. The monitoring system provides an effective means for occasions requiring unattended operation, radionuclide analysis and gamma dose rate online monitoring, can provide basic information for command departments to master field information of key areas in real time, evaluate radiation leakage situationdevelopment, qualitatively and quantitatively judge nuclear accident/event evolution stages and the like, and has wide applicability in the field of radiation monitoring.

Description

technical field [0001] The invention relates to the field of monitoring devices, in particular to a radiation monitoring device. Background technique [0002] Environmental radiation monitoring is the measurement of the level of radioactive pollution in the surrounding environment of the facility and the release to the environment. In a broad sense, environmental monitoring includes effluent monitoring and environmental monitoring. [0003] Environmental radiation monitoring is to monitor the environmental gamma radiation level and neutron dose equivalent rate. For facilities containing Class I and II sealed sources, the radiation environment monitoring is divided into three categories: radiation environment level investigation before use, radiation environment monitoring during use, and environmental radiation monitoring after decommissioning. [0004] At present, in the new generation of gamma spectrometer and highly sensitive gamma dose rate meter products, NaI(Tl) detec...

Claims

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Application Information

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IPC IPC(8): G01T1/18G01T1/208G01T7/12
CPCG01T1/18G01T1/208G01T7/12
Inventor 孔祥松胡博张立波彭会军陈全福郭继林刘朋
Owner 孔祥松
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