A gamma ray detector

A gamma ray and detector technology, applied in the field of gamma ray detectors, can solve problems such as crystal damage, photomultiplier tube damage, crystal package cracking, etc., to improve shock resistance, improve shielding ability, and achieve the effect of integrity

Active Publication Date: 2020-03-27
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In particular, crystal composite components and photomultiplier tubes are mechanically sensitive components. If the detector’s anti-vibration and shock resistance design is insufficient, it will lead to cracking of the crystal package, crystal damage or damage to the photomultiplier tube.
Under the constraints of the overall light weight of the space probe, it is difficult to meet the above high-performance requirements and engineering adaptability requirements at the same time

Method used

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  • A gamma ray detector
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Embodiment Construction

[0025] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0026] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0027] Such as Figure 1-9 As shown, the gamma ray detector includes: a combination bracket 102, a shock absorber 103, a vibration absorber adapter assembly 104, a probe structure 101 and a calibration detector 105, wherein the combination bracket 102 includes an upper combination bracket and a lower combination bracket , wherein a flange is provided on the upper composite bracket. The shock absorber 103 is fixed on the f...

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Abstract

The invention discloses a gamma ray detector. The gamma ray detector comprises a combined bracket, a shock absorber, a shock absorber switching assembly, a probe structural body, a calibration detector, a photomultiplier and a front-end electronic assembly, wherein the combined bracket comprises an upper combined bracket and a lower combined bracket; a flange is arranged on the upper combined bracket; the shock absorber is fixed on the flange of the upper combined bracket; one end of the shock absorber switching assembly is connected with a composite crystal assembly; the shock absorber switching assembly is used for mounting and fixing the shock absorber; the probe structural body is fixedly connected with the other end of the shock absorber switching assembly, is surrounded by the uppercombined bracket, and comprises the composite crystal assembly; the calibration detector is fixed on the composite crystal assembly; the front-end electronic assembly is mounted at the bottom of the photomultiplier; and the composite crystal assembly comprises a composite crystal assembly shell, an NaI crystal and quartz glass.

Description

technical field [0001] The invention relates to the technical field of high-performance packaging, assembly and integration of space hard X-ray and soft gamma-ray detectors, in particular to a gamma-ray detector. Background technique [0002] Gamma-ray bursts are the most powerful explosive phenomena in the universe. The space gamma-ray detector involved in the present invention will be used for multi-band observation of space gamma-ray bursts, to determine its spectral shape, so as to deeply understand and grasp the generation mechanism of gamma-ray bursts. [0003] Space hard X-ray and gamma-ray detectors must pass the test of harsh mechanical conditions during the launch phase of the spacecraft, and must deal with a very complex space environment. The detector has a large detection area, extremely low detection threshold, and high energy resolution, so it has higher requirements for product packaging technology and magnetic field shielding. In particular, crystal compos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/202
CPCG01T1/202
Inventor 王瑞杰董永伟刘鑫刘江涛
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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