A timing control logic and signal processing method suitable for a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology

A timing control and timing signal technology, which is applied in the field of nuclear radiation detection and can solve the problems of complex timing control logic and complex structure.

Active Publication Date: 2021-06-25
NO 719 RES INST CHINA SHIPBUILDING IND
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Problems solved by technology

[0003] The quasi-real-time dose rate measurement device based on pulsed optical luminescence technology has a complex structure, and the laser, shutter, gated photomultiplier tube and counter need to be controlled according to a certain sequence in time, and the sequence control logic is complex

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  • A timing control logic and signal processing method suitable for a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology
  • A timing control logic and signal processing method suitable for a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology
  • A timing control logic and signal processing method suitable for a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology

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[0028] The following will be described in detail with reference to the accompanying drawings in conjunction with the implementation examples, so as to have a deeper understanding of the purpose, features and advantages of the present invention.

[0029] Such as figure 1 As shown, this embodiment is applicable to a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology, including a detector, an optical fiber, and a photoelectric control box. The photoelectric control box includes a laser, a shutter, a laser filter, a spectroscopic Optical fiber coupler, fluorescence collection lens, filter group, photomultiplier tube, amplification discriminator, counter and timing control unit.

[0030] Such as figure 2 As shown, this embodiment provides a timing control logic suitable for a quasi-real-time dose rate measurement device based on pulsed optical luminescence technology.

[0031] In the above embodiment, after receiving the dose rate measur...

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Abstract

The invention relates to the technical field of nuclear radiation detection, and provides a timing control logic and a signal processing method suitable for a quasi-real-time dose rate measurement device based on pulse optical luminescence technology. The timing control logic proposed by the present invention uses the same reference clock as a reference to generate the input pulse signals of lasers, shutters, photomultiplier tubes and counters. Each pulse signal can be skipped by setting the number of reference pulses and the relative Time delay can realize precise timing control of lasers, shutters, photomultiplier tubes and counters; the signal processing method proposed in the present invention takes into account various dynamic and static backgrounds, and the relationship between the cumulative dose and the count value is determined by the linear fitting of the experimental data The results show that the cumulative dose loss caused by each dose rate measurement is compensated, and the quasi-real-time dose rate can be accurately given.

Description

technical field [0001] The invention relates to the technical field of nuclear radiation detection, in particular to a timing control logic and a signal processing method suitable for a quasi-real-time dose rate measurement device based on pulse optical luminescence technology. Background technique [0002] Al 2 o 3 Optically luminescent materials such as :C have the characteristics of high sensitivity, wide linear range, fast dose readout speed, repeatable reading, and annealing without heating. They have been widely used in the field of personal dose monitoring. With the accumulation of practical application experience of optically luminescent materials , Al 2 o 3 Optically luminescent materials such as :C have also begun to be used for quasi-real-time dose rate measurement. [0003] The quasi-real-time dose rate measurement device based on pulsed optical luminescence technology has a complex structure, and the laser, shutter, gated photomultiplier tube and counter nee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042G01T1/10
CPCG01T1/10G05B19/0423G05B2219/25257
Inventor 李文博万新峰吴荣俊陈祥磊陈艳安然许静静
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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