Testing device and method for electrostatic discharge of spacecraft dielectric material

A technology of electrostatic discharge test and dielectric material, applied in the field of measurement, to achieve the effect of strong operability and stable work

Inactive Publication Date: 2014-12-24
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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  • Abstract
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Problems solved by technology

Therefore, electrostatic discharges occurring in real space environments have strong uncertainties

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  • Testing device and method for electrostatic discharge of spacecraft dielectric material

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Embodiment Construction

[0020] The invention provides a dielectric material electrostatic discharge test device and method, which uses an electron accelerator and an electron gun to obtain a mixed irradiation environment of high-energy electrons and low-energy electrons, and tests the static electricity of the dielectric material under the combination of low-energy and high-energy environment irradiation. Discharge pulses to simultaneously measure the surface potential of dielectric materials under low-energy and high-energy combined ambient irradiation.

[0021] Such as figure 1 Shown, be the electrostatic discharge test device of the dielectric material of the present invention, it is by vacuum chamber 1, electron accelerator 2, electron gun 3, vacuum pumping system 4, sample table 5, three-dimensional movement mechanism 7, oscilloscope 8, sampling resistor 9, non- Contact potentiometer 10 composition.

[0022] The vacuum pumping system 4 communicates with the vacuum chamber 1, and the oscilloscop...

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Abstract

The invention discloses a testing device and method for electrostatic discharge of a spacecraft dielectric material. According to the device and method, an electron accelerator and an electron gun are utilized for obtaining a high-energy electron and low-energy electron mixed irradiation environment, electrostatic discharge pulses of the dielectric material under the irradiation of a high-energy and low-energy combination environment are tested, and meanwhile the surface potential of the dielectric material under the irradiation of the high-energy and low-energy combination environment is measured. The device mainly comprises the electron accelerator, the electron gun, a vacuum pumping system, a dielectric material sample, a sample surface potential measuring device and an oscilloscope. The device can be used for testing the electrostatic discharge pulses of the dielectric material under the combined irradiation of the high-energy and low-energy environment, and an important basis is provided for researching the relationship between electrostatic discharge of the dielectric material and the space environment.

Description

technical field [0001] The invention relates to an electrostatic discharge test device and method for a spacecraft dielectric material, in particular to testing the electrostatic discharge pulse of the dielectric material under combined low-energy and high-energy environmental irradiation, and belongs to the field of measurement. Background technique [0002] For various dielectric materials used in spacecraft, it is very important to study the relationship between electrostatic discharge of spacecraft dielectric materials and the environment for a more comprehensive understanding of the electrostatic discharge characteristics of spacecraft dielectric materials under real space irradiation. It provides an important basis for the design and manufacture of spacecraft. [0003] The electrostatic discharge of spacecraft mostly occurs on the cable insulation layer, printed circuit board, capacitor components, integrated circuit package or suspension conductor. When the transient ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R29/00G01R19/00
Inventor 王俊杨生胜秦晓刚李得天陈益峰柳青史亮汤道坦赵呈选
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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