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Radiometer angular response detection method

A detection method and radiometer technology, which is applied in the field of radiometer angular response detection, can solve the problems of reducing the risk of workers being irradiated, the high risk of workers being irradiated, and poor precision and accuracy, so as to reduce the risk of being irradiated Risk, reduce the number of radioactive source rooms, and ensure the effect of accuracy

Pending Publication Date: 2021-02-02
CHONGQING JIANAN INSTR
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Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to solve the problem that the existing nuclear radiation instrument needs to manually change the angle when performing angular response detection, the precision and accuracy are poor, and the risk of the staff being exposed to radiation is high. The angular response detection method of the radiometer can accurately measure the angular response characteristics of the radiometer and reduce the risk of workers being irradiated

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  • Radiometer angular response detection method

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] see figure 1 , a method for detecting the angular response of a radiometer, the radiometer is installed on a detection device, and radiation is used to detect the angular response of the radiometer;

[0035] The detection device includes a turntable structure, two gamma measuring fixtures and an angler structure; wherein,

[0036] The turntable structure includes a dial 1 and a motor 2, the output shaft of the motor 2 protrudes upwards and is connected to the dial 1;

[0037] The gamma measuring tool has a radiometer accommodation space;

[0038] Specifically include the following steps:

[0039] S1. Install two radiometers respectively in the radiometer accommodation space of the gamma measuring tool, and form a certain angle between the radiometer and the straight line where the radiation line is located through the angler structure;

[004...

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Abstract

The invention discloses a radiometer angular response detection method, which comprises the following steps of: installing a radiometer on a detection device, and performing angular response detectionon the radiometer by adopting radiation rays; the method specifically comprises the following steps: S1, respectively installing two radiation instruments in the radiation instrument accommodating spaces of a gamma measurement tool; S2, irradiating one of the radiometers with radiation rays for measurement; after measurement, rotating the dial by the motor to adjust the measurement angle, and continuously performing measurement until measurement of all angles is completed; S3, irradiating the radiation rays to another radiometer for measurement; and S4, taking down the two radiometer bodies after measurement is completed, and repeating the step S1-S3 to complete measurement of all the radiometer bodies. According to the invention, the angular response characteristic of the radiometer canbe accurately measured, and the risk that workers are radiated is reduced.

Description

technical field [0001] The invention relates to the technical field of nuclear radiation instrument detection, in particular to a radiation instrument angular response detection method. Background technique [0002] The response of a nuclear radiation detector typically varies with the angle between the incident radiation and the detector's reference direction. The response of the radiation measuring instrument at various angles and the response of the reference orientation when the radiation incident direction is consistent with the detector reference direction are compared, wherein the change of the radiation measuring instrument with the incident angle of radiation is called the angular response. In the development, finalization and use of nuclear radiation detectors, it is usually necessary to study, verify and calibrate the angular response characteristics of the detectors of the measuring instruments. [0003] When the existing nuclear radiation instruments detect the...

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Application Information

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IPC IPC(8): G01T7/00
CPCG01T7/005
Inventor 李石全赵春艳
Owner CHONGQING JIANAN INSTR
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