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Multi-channel low-voltage ionization chamber gas detector

A technology of gas detectors and ionization chambers, applied in the field of X-ray detection, can solve the problems of X-ray detectors not being resistant to radiation and common gas detectors being unsuitable, achieving simple and reliable structure, high signal-to-noise ratio, and high spatial resolution rate effect

Inactive Publication Date: 2020-02-07
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] In order to overcome the shortcomings of the above-mentioned prior art, the present invention provides a multi-channel low-pressure ionization chamber gas detector, which solves the problems that ordinary X-ray detectors are not resistant to radiation and ordinary gas detectors are not suitable for X-ray detection requirements of fusion reactor devices , and realize the diagnostic technical requirements such as simple and reliable structure, high spatial resolution, low working voltage / air pressure, high signal-to-noise ratio, and convenient maintenance

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] An embodiment according to the present invention will be described below with reference to the accompanying drawings.

[0022] see figure 2 (a)-(c), embodiments of the present invention provide a multi-channel low pressure ionization chamber gas detector 100 including a detector array 110 . The detector array 110 includes five detector channels 111, wherein each of the five detector channels 111 includes a first metal elec...

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Abstract

The invention discloses a multi-channel low-voltage ionization chamber gas detector. The multi-channel low-voltage ionization chamber gas detector comprises a detector array and a gas chamber. The detector array comprises five detector channels, wherein each of the five detector channels comprises three metal electrodes, the three metal electrodes are installed on insulating ceramic in parallel, the metal electrode located in the middle serves as an anode (collector) of the detector, and the two metal electrodes located on the two sides jointly serve as a cathode of the detector through electric connection. The gas chamber comprises a metal cavity, a beryllium window assembly, an electric penetration assembly, an air exhaust pipeline and an air inflation pipeline. The detector array is installed in the gas chamber.

Description

technical field [0001] The invention relates to the technical field of X-ray detection, in particular to X-ray detection under nuclear irradiation conditions. Background technique [0002] Common soft X-ray detectors, such as silicon photodiode detectors, scintillator detectors, etc., cannot be used normally under nuclear irradiation conditions, and may even be damaged rapidly. Although ordinary gas detectors are resistant to radiation, they have problems such as complex structure, small number of channels, high working voltage / pressure, small sensitive area, and no gas maintenance interface, which are not suitable for simple and reliable structure in fusion reactor devices. Spatial resolution, low operating voltage / air pressure, high signal-to-noise ratio, easy maintenance, etc. SUMMARY OF THE INVENTION [0003] In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a multi-channel low-pressure ionization chamber gas detect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/185G21B1/25
CPCG01T1/185G21B1/25Y02E30/10
Inventor 张继宗陈开云胡立群赵金龙李超智
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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