An online radiation total dose detection method
By installing optical fibers in the irradiation cavity and shielding box, the optical power value can be detected in real time, solving the problem that existing radiation dose detection methods cannot be fast and accurate. This enables accurate online detection and early warning of total radiation dose, and reduces detection costs.
CN115755139BActive Publication Date: 2026-02-27TSINGHUA UNIVERSITY
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Patent Information
- Application Number
- CN202211292612.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2042-10-21
AI Technical Summary
Technical Problem
Existing radiation dose detection methods cannot achieve rapid and accurate online detection. Active detectors suffer from problems such as large size, high power consumption, and short lifespan, while passive detectors cannot detect in real time.
Method used
A detection device consisting of an irradiation cavity and a shielding box is used. Utilizing the principle of fiber optic radiation damage, the total radiation dose is calculated by real-time detection of changes in the optical power value of the fiber, and data processing and early warning are performed using a computer.
Benefits of technology
It enables online monitoring and accurate detection, reduces detection costs, extends the service life of the device, and has a radiation dose early warning function.
✦ Generated by Eureka AI based on patent content.
Abstract
The application provides an online radiation total dose detection method, which comprises the following steps: determining a corresponding detection device according to radiation source information; the detection device comprises an irradiation cavity and a shielding box, and the irradiation cavity attenuates the received radiation to within a target threshold; placing the detection device at a target detection position; turning on a light source and an optical power meter in the shielding box; an optical fiber is arranged in the irradiation cavity, one end of the optical fiber is connected to the optical power meter in the shielding box, and the other end is connected to the light source in the shielding box; the optical power meter detects the optical power value of the optical fiber and sends the optical power value to a computer through a cable; and the computer determines the radiation total dose of the target detection position according to the optical power value. The application utilizes the principle of optical fiber radiation damage, places the detection device at the target detection position, detects the change of the optical power value of the optical fiber in the device in real time, calculates the corresponding radiation total dose, and realizes the online detection of the radiation total dose of the target environment.
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