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Folding array satellite-borne X-ray detector

A foldable, X-ray technology, applied in the field of spaceborne X-ray detectors, can solve problems such as unretrieved design schemes of spaceborne X-ray detectors, reduce the envelope of gyration, improve the ability to resist shock and vibration, Effect of Reducing Integration Time

Inactive Publication Date: 2015-01-07
CHINA ACADEMY OF SPACE TECHNOLOGY
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, no complete design scheme or dedicated discussion on spaceborne X-ray detectors has been retrieved so far

Method used

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  • Folding array satellite-borne X-ray detector
  • Folding array satellite-borne X-ray detector
  • Folding array satellite-borne X-ray detector

Examples

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Embodiment Construction

[0016] See attached figure 1 , a foldable array type spaceborne X-ray detector, which includes: photon detection head body 1, vacuum door array mechanism 2, vacuum valve 3, high voltage electrical connector 4, detection unit 5, signal electrical connector 6, Two-dimensional turntable 8 and integrated controller 9;

[0017] The photon probe body 1 is a regular octagonal cylinder structure, and its left and right sides are symmetrically provided with connection ports, and the non-adjacent side walls of the photon probe body 1 are provided with a horizontal limiter 7, and the horizontal limiter 7 has There are 4 horizontal stoppers 7 for outwardly ejectable protrusions;

[0018] The vacuum gate array mechanism 2 is a square structure with one corner removed, the length of its hypotenuse is equal to the side length of the regular octagon of the photon probe body 1, and the length of the right-angled side is 1 / 2 of the length of the regular octagon of the photon probe body 1. The...

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Abstract

The invention belongs to the field of spacecraft autonomous navigation technology, and particularly relates to a folding array satellite-borne X-ray detector. According to the technical scheme, vacuum gate array mechanisms (2) are connected with a photon detection head body (1), positioned above a horizontal limiting device (7) and controlled by electric hinges to be opened and closed, when the vacuum gate array mechanisms (2) are opened, the vacuum gate array mechanisms (2) are limited by the horizontal limiting device (7), and are level to the upper surface of the photon detection head body (1); when the vacuum gate array mechanisms (2) are closed, four vacuum gate array mechanisms (2) are buckled on the upper surface of the photon detection head body (1), and four closed cavities which are communicated with one another are formed between the four vacuum gate array mechanisms (2) and the upper surface of the photon detection head body (1); and a vacuum valve (3), a high-voltage electric connector (4) and an electric signal connector (6) are arranged on the photon detection head body (1). By utilizing the folding array satellite-borne X-ray detector, the detection area is doubled, the signal-noise ratio of the received signals is improved, and the integral time can be shortened.

Description

technical field [0001] The invention belongs to the technical field of spacecraft autonomous navigation, and in particular relates to a spaceborne X-ray detector. Background technique [0002] The radiation energy of X-ray pulsars is mainly concentrated in the soft X-ray energy range of 0.1-10keV, and its radiation intensity is very weak, generally in the order of 100-10-5ph / cm2 / s. In order to detect such weak X-ray photon signals , requires the detector to be made into a large-area array, thereby enhancing the efficiency of X-ray photon collection and improving the signal-to-noise ratio of the pulsar radiation signal within a limited observation time. At the same time, due to the strict constraints on the payload mass and envelope of the detector by the satellite platform, the spaceborne detector is required to have the characteristics of light weight, small envelope area and strong reliability. Therefore, the development of large-area, lightweight, small-envelope and high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/00
Inventor 贝晓敏帅平徐立宏李振新吴耀军
Owner CHINA ACADEMY OF SPACE TECHNOLOGY
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