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A dose rate detection method based on scintillator detector

A detection method and scintillator technology, applied in the field of nuclear radiation detection, can solve the problems of inaccuracy and large measurement error of the radiation to be measured, and achieve the effect of accurate detection and small measurement error

Active Publication Date: 2019-01-15
BEGOOD TECH
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Problems solved by technology

The traditional scintillator detector radiation dose rate measurement method is to reduce the amount of measurement calculations. For different energy pulse widths, the same reference radiation calibration factor Y empirical value is used to calculate the required radiation dose rate H. * , resulting in the measured radiation dose rate H * Large measurement error and imprecise

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  • A dose rate detection method based on scintillator detector
  • A dose rate detection method based on scintillator detector
  • A dose rate detection method based on scintillator detector

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Embodiment Construction

[0015] A dose rate detection method based on a scintillator detector proposed by the present invention is described as follows in conjunction with the accompanying drawings and embodiments.

[0016] refer to figure 1 , the main steps of using the method of the present invention are:

[0017] ①Because the radiation energy is proportional to the pulse signal width, within the unit measurement time period T, the electric pulse signal converted by the interaction between the scintillator and the ray can be divided into three intervals according to different pulse signal widths;

[0018] ②Measure three times in the standard instrument respectively, and count the pulse count N corresponding to the three pulse width intervals in each unit measurement time period T tn , where the three pulse width intervals t=1,2,3, and the number of measurements n=1,2,3, that is, the counts of three different pulse widths counted by the three measurements are N 11 , N 21 , N 31 , N 12 , N 22 , ...

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Abstract

The invention discloses a dose rate detection method based on a scintillator detector. In a unit measurement period, according to different pulse characteristics, the method divides different pulse widths into three intervals, the count of each pulse width interval is counted, a reference radiometric calibration factor corresponding to a pulse width is calculated, and thus, the solved to-be-detected radiation dose rate has smaller measurement errors and is more accurate.

Description

technical field [0001] The invention relates to nuclear radiation detection, in particular to the field of X and gamma radiation dose detection. Background technique [0002] Due to the difference in ray radiation energy, the width t of the electric pulse signal converted by the scintillator detector is also different, and the corresponding reference radiation calibration factor Y is also different. In the scintillator detector radiation dose rate measurement technology, the measured radiation dose rate H * It is related to the pulse count N counted per unit time period and the reference radiation calibration factor Y. The traditional scintillator detector radiation dose rate measurement method is to reduce the amount of measurement calculations. For different energy pulse widths, the same reference radiation calibration factor Y empirical value is used to calculate the required radiation dose rate H. * , resulting in the measured radiation dose rate H * The measurement e...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/02
CPCG01T1/023
Inventor 张海平范美仁高永涛
Owner BEGOOD TECH