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A device and method for passively simulating x, gamma dose rate measurement

A technology of gamma dose rate and analog signal, which is applied in the field of nuclear radiation detection, can solve the problems of staff exposure, radioactive source transportation safety and radioactive source safety, and achieve the effect of reducing gamma exposure

Active Publication Date: 2021-05-18
宁波甬东核辐射监测有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If gamma radiation sources are used in the training process, it is possible that the staff will be exposed to unnecessary gamma radiation, and if the radiation sources are placed on the training site, they will also face the safety issues of the transportation of radioactive sources and the safety of using radioactive sources on site

Method used

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  • A device and method for passively simulating x, gamma dose rate measurement
  • A device and method for passively simulating x, gamma dose rate measurement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment one: if figure 1 As shown, a device for passively simulating X and gamma dose rate measurements includes a radio frequency signal source 11 for analog X and gamma signal output, a radio frequency signal amplification module 12 and an analog signal processing module 13, and the analog signal processing module 13 and radio frequency A selector switch 14 is arranged between the output terminals of the signal amplification module 12, wherein:

[0038] RF signal source 11: RF signals of different frequencies and powers can be generated according to needs;

[0039] Radio frequency signal amplification module 12: used for measuring radio frequency power, mainly receiving radio frequency signals and performing logarithmic amplification and processing on radio frequency signals, and outputting analog voltage signals representing the effective value of radio frequency signal power;

[0040] Analog signal processing module 13: for processing the analog voltage signal o...

Embodiment 2

[0047] Embodiment two: if figure 2 As shown, a device for passively simulating X and gamma dose rate measurement includes a radio frequency signal source 11 for simulating X and gamma signal output, a radio frequency signal amplification module 12 and a voltage-frequency conversion module 15 for measuring radio frequency power, and the frequency Signal processing module 16, selector switch 14 is arranged between the output terminal of frequency signal processing module 16 and voltage-frequency conversion module 15, wherein:

[0048] RF signal source 11: RF signals of different frequencies and powers can be generated according to needs;

[0049]Radio frequency signal amplification module 12: used to receive radio frequency signals and logarithmically amplify and process the radio frequency signals, and output analog voltage signals representing the effective value of radio frequency signal power;

[0050] Voltage-frequency conversion module 15: for converting the analog volta...

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PUM

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Abstract

The invention discloses a device and method for passively simulating X and gamma dose rate measurement, which simulates gamma radiation source radiating gamma photons to The dose size of the point where the X and gamma ray detectors are located simulates the measurement of X and gamma rays through the measurement of the effective value of radio frequency power, so as to realize the training of staff in the absence of gamma radiation sources and allow the operation of X and gamma measuring equipment More personnel are familiar with the measurement equipment and adapt to the measurement site environment, reducing unnecessary γ-irradiation for operators to familiarize themselves with the equipment and environment. In addition, the change in the radio frequency signal strength can also simulate changes in other physical quantities (such as temperature, pressure, flow, etc.), so as to debug or inspect equipment or facilities without actual changes in physical quantities.

Description

technical field [0001] The invention relates to the technical field of nuclear radiation detection, in particular to a device and method for passively simulating X and gamma dose rate measurement. Background technique [0002] In order to make the staff engaged in nuclear radiation monitoring familiar or even proficient in the use of X and gamma ray detectors and measurement methods, relevant training is required for the staff. If gamma radiation sources are used in the training process, the staff may be exposed to unnecessary gamma radiation, and when the radiation sources are placed on the training site, they will also face the safety issues of the transportation of the radioactive sources and the safety of using the radioactive sources on site. Therefore, there is a need for a measurement device and method that has no X, gamma radiation sources but subjectively feels consistent with the scene with radiation sources, so that the staff can be trained under passive condition...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08G01T1/02G01T1/16
CPCG01R29/0857G01T1/02G01T1/16
Inventor 靳根程金星王庆波朱文凯郭越新王继莲
Owner 宁波甬东核辐射监测有限公司
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