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Ray radiation field dose rate measuring device and measuring method

A measuring method and technology of measuring device, applied in dosimeters, photographic dosimeters, etc., can solve the problems of poor accuracy and high measurement cost, and achieve the effects of increasing lifespan, increasing measuring speed, and reducing damage time

Active Publication Date: 2019-09-27
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a radiation field dose rate measurement device and measurement method, which solves the technical problems of high measurement cost and poor precision existing in the existing measurement device

Method used

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  • Ray radiation field dose rate measuring device and measuring method
  • Ray radiation field dose rate measuring device and measuring method

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Embodiment Construction

[0030] see figure 1 , the present invention provides a kind of ray radiation field dose rate measurement device, the structure of its preferred embodiment comprises image sensor 4, radiation board 3, test evaluation board 8 and computer 7; Image sensor 4 is installed on the radiation board 3, It is used for continuously collecting images under the ray radiation field; the irradiation board 3 is connected with the test evaluation board 8, and the test evaluation board 8 is connected with the computer 7, and the computer 7 is equipped with an image processing system. The present invention inputs the continuous multi-frame images collected under the ray radiation field (such as X-rays or gamma rays) into the image processing system, processes the images, sets the dark signal peak threshold, and counts the number of dark signal peaks . According to the relationship between the proportion of the dark signal peak and the dose rate, the dose rate of the ray radiation field is measur...

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Abstract

The invention belongs to the technical field of radiation field uniformity measurement, and particularly relates to a ray radiation field dose rate measuring device and measuring method. The measuringdevice comprises an image sensor, an irradiation panel, a test evaluation board and a computer; the image sensor is arranged on an irradiation plate and is used for continuously acquiring images in the ray radiation field; the irradiation plate is connected with a test evaluation plate, and the test evaluation plate is connected with the computer, the computer is provided with an image processingsystem. According to the invention, the measurement data can be automatically processed, the measurement speed is greatly improved, and the damage time of the ray to the CMOS image sensor of the measuring device is reduced, the service life of the measuring device is prolonged, and the technical problems that the measuring device in the prior art is high in measuring cost and poor in precision are solved.

Description

technical field [0001] The invention belongs to the technical field of radiation field uniformity measurement, and in particular relates to a radiation field dose rate measurement device and a measurement method. Background technique [0002] With the rapid development of my country's aerospace industry, "China's manned space station project" and "China's lunar exploration project" have been implemented one after another. Low-cost, high-performance COTS (Commercial off-the-shelf) devices are widely used in spacecraft . Compared with aerospace-grade devices, COTS devices are generally less resistant to radiation. When it is applied in the space field, it will be damaged by space radiation, resulting in performance degradation and even functional failure, which seriously affects the on-orbit performance of the spacecraft. [0003] Space radiation damage mainly includes: ionization total dose effect, displacement damage effect and single event effect. When COTS devices are ap...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/08
Inventor 薛院院王祖军陈伟刘敏波姚志斌何宝平张凤祁盛江坤马武英董观涛金军山
Owner NORTHWEST INST OF NUCLEAR TECH
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