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SiPM-based diffusion type scintillation radon detector

A scintillation method and detector technology, applied in the field of nuclear radiation detection, can solve the problems of poor anti-interference ability, weak anti-interference ability, long measurement time, etc., achieve anti-vibration ability and stability improvement, increase sensitivity, reduce manufacturing cost effect

Pending Publication Date: 2020-08-11
阿镭法科技(苏州)有限公司
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Problems solved by technology

[0002] Existing diffusion method radon detectors use ionization chamber method or photodiode detectors for direct measurement, and ionization chamber detectors are large in size, low in sensitivity, poor in anti-interference ability, and sensitive to humidity
The disadvantages of using photodiode detectors are very low sensitivity, long measurement time and weak anti-interference ability

Method used

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  • SiPM-based diffusion type scintillation radon detector
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  • SiPM-based diffusion type scintillation radon detector

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0025] according to Figure 1-Figure 4 As shown, a SiPM-based diffused scintillation radon detector includes a housing 1, the two ends of the housing 1 are respectively provided with a cover plate 10, and the inner wall of the housing 1 is provided with a circle of sponge 2, and the housing 1 There is also a scintillation chamber 3 inside, and the scintillation chamber 3 is a spherical cavity. A plurality of reinforcing ribs 6 are arranged on the outer surface of the sphere, and a plurality of scintillation ribs are arranged on the spherical surface between the two reinforcing ribs 6. hole 7, one end of the scintillation chamber 3 is provided wit...

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Abstract

The invention discloses a SiPM-based diffusion type scintillation radon detector, which is characterized by comprising a shell. Cover plates are arranged at the two ends of the shell respectively. A circle of sponge is arranged on the inner wall of the shell; a scintillation chamber is further arranged in the shell, the scintillation chamber is a spherical cavity, a plurality of reinforcing ribs are arranged on the outer surface of the sphere, a plurality of scintillation holes are formed in the spherical surface between the two reinforcing ribs, an outlet is formed in one end of the scintillation chamber, a groove is formed in the outlet, and the groove is used for installing a signal processing module. The sipm probe is arranged on the signal processing module, and the SiPM probe is usedfor converting an optical signal which is generated by exciting the scintillation chamber through alpha and beta rays and passes through the chamber into an electric signal; the signal processing module is used for converting the electric signals into digital signals. The SiPM size is small, working high voltage is not needed, the vibration resistance and the anti-interference capacity are good,and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of nuclear radiation detection, in particular to a diffuse scintillation radon detector based on SIPM. Background technique [0002] Existing diffusion method radon detectors use ionization chamber method or photodiode detectors for direct measurement, and ionization chamber detectors have large volume, low sensitivity, poor anti-interference ability and are sensitive to humidity. The disadvantages of using photodiode detectors are very low sensitivity, long measurement time and weak anti-interference ability. Contents of the invention [0003] The present invention mainly solves the technical problems existing in the prior art, thereby providing a diffused scintillation radon detector based on SiPM. The disadvantages are that SiPM is small in size, does not need to work at high voltage, and has good anti-vibration and anti-interference capabilities. [0004] Above-mentioned technical problem of the pres...

Claims

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Application Information

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IPC IPC(8): G01T1/202
CPCG01T1/202
Inventor 谭忠强
Owner 阿镭法科技(苏州)有限公司
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