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Method and system for shielding local low-energy electronic environment of spacecraft by using artificial magnetic field

A low-energy electronic and spacecraft technology, applied in the field of space radiation, can solve the problems of reducing the surface charging potential, the surface material of the spacecraft cannot pass the grounding, etc., and achieve the effect of reducing the hidden danger of surface electrification, reducing the risk of electrification, and high reliability.

Active Publication Date: 2021-02-09
BEIJING INST OF SPACECRAFT SYST ENG
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  • Description
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Problems solved by technology

[0005] The technical problem solved by the present invention is: to overcome the deficiencies of the prior art, to provide a method for shielding the local low-energy electronic environment of the spacecraft by using an artificial magnetic field, and to solve the problem that some surface materials of the spacecraft cannot be grounded to reduce the surface charging potential

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  • Method and system for shielding local low-energy electronic environment of spacecraft by using artificial magnetic field
  • Method and system for shielding local low-energy electronic environment of spacecraft by using artificial magnetic field
  • Method and system for shielding local low-energy electronic environment of spacecraft by using artificial magnetic field

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Embodiment Construction

[0042] Further description will be made below in conjunction with the accompanying drawings of the description.

[0043] Such as figure 1 , a method and system for shielding a local low-energy electronic environment of a spacecraft by using an artificial magnetic field, the specific content includes the following steps:

[0044] (1) Design the solenoid coil, adjust parameters such as coil size, number of turns, and energized current, so that it can generate sufficient magnetic field strength within a certain space;

[0045] (2) Establish the magnetic field model of the spacecraft model and the solenoid coil;

[0046] (3) Establish a low-energy electron source model;

[0047] (4) Analyze the changes in the local low-energy electron radiation environment of the spacecraft before and after the magnetic field is applied through simulation;

[0048] (5) Analyze the local surface charging effect of the spacecraft before and after the magnetic field;

[0049] (6) Adjust the solen...

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Abstract

The invention relates to a method and system for shielding a local low-energy electronic environment of a spacecraft by using an artificial magnetic field, and belongs to the technical field of space radiation. The technical solution of the present invention is: determine the magnetic field intensity and spatial distribution according to the parameters such as the number of turns and current of the solenoid coil; Changes in the local low-energy electron radiation environment of the device; adjust the parameters, position and layout of the solenoid coil to ensure that the low-energy electron radiation environment in the local part concerned is reduced to an acceptable level.

Description

technical field [0001] The invention relates to a method and system for shielding a local low-energy electronic environment of a spacecraft by using an artificial magnetic field, and belongs to the technical field of space radiation. Background technique [0002] The interaction between the thermal plasma in space and the surface material of the spacecraft will cause the surface charging and discharging effect. The current caused by the difference of resistance, capacitance and inductance, the electron or ion current actively emitted by the satellite, etc. The satellite reaches its final charging potential when all current sources are balanced, ie the total charging current is equal to zero. Discharges are induced when the relative charge of adjacent surfaces of a spacecraft becomes too high, and the resulting electromagnetic pulses can interfere with the normal operation of the spacecraft. [0003] At present, the surface potential protection design of spacecraft at home ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/54
CPCB64G1/546
Inventor 李衍存盛丽艳贾晓宇秦珊珊张弘王建昭张志平蔡震波
Owner BEIJING INST OF SPACECRAFT SYST ENG
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