Triboelectrification and electrostatic dissipation detection analysis device for space environment

A technology of triboelectrification and space environment, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve the problems of equipment with no triboelectrification parameters and the inability to study the influence of trioelectricity performance, etc., to eliminate external interference effect

Active Publication Date: 2018-11-23
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is that there is no device capable of measuring triboelectrification parameters in a simulated space environment at home and abroad at present, and it is impossible to study the influence of space environment on the triboelectrification performance during the friction process

Method used

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  • Triboelectrification and electrostatic dissipation detection analysis device for space environment
  • Triboelectrification and electrostatic dissipation detection analysis device for space environment
  • Triboelectrification and electrostatic dissipation detection analysis device for space environment

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Experimental program
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Embodiment 1

[0030] Such as figure 1 As shown, a space environment triboelectrification and electrostatic dissipation detection and analysis device, including a vacuum system, cosmic ray irradiation system, alternating temperature system, sliding friction and contact separation friction integrated drive device 2, static detection system; vacuum system It is used to construct a vacuum environment; the cosmic ray irradiation system is used to simulate various space environments of electrons, protons, ultraviolet rays, and atomic oxygen; the alternating temperature system is used to obtain high-temperature and low-temperature rapid alternating environments; sliding friction and contact separation friction integration The driving device is used to drive the movement of the module to generate different forms of friction; the static detection system is used to detect static changes in the simulated state. Based on the above structure, a space triboelectrification test system with the characteri...

Embodiment 2

[0032] Described vacuum system comprises vacuum chamber 11, control cable 12, vacuum pump group, vacuum silicon tube, gas flow meter, gas cylinder and control system 13; Vacuum chamber 11 is connected with control system 13 by control cable 12, and control system 13 is connected to the vacuum pump group and the gas cylinder, and the gas flow meter is connected to the vacuum chamber 11. There is a vacuum silicon tube in the chamber, and the vacuum silicon tube is connected to the control system; the vacuum system is used to regulate the vacuum degree and atmosphere of the vacuum system. By adjusting the flow rate of the gas flowmeter, the vacuum degree and atmosphere of the vacuum system can reach the preset value.

[0033] All the other are identical with embodiment 1.

Embodiment 3

[0035] The cosmic ray irradiation system includes an electron beam source 21, a proton beam source 22, an atomic oxygen source 23, and an ultraviolet radiation source 24, which are respectively connected to the vacuum chamber 11, and emit cosmic rays into the vacuum chamber to conduct electron and proton irradiation. , ultraviolet, atomic oxygen, temperature alternation and other space environment triboelectrification test.

[0036] All the other are identical with embodiment 1 or embodiment 2.

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Abstract

The invention relates to the technical field of triboelectrification, and especially relates to a triboelectrification and electrostatic dissipation detection analysis device for a space environment.The device comprises a vacuum system, a cosmic ray radiation system, an alternating temperature system, a sliding friction and contact separation friction integrated drive unit, and an electrostatic detection system. The device can achieve the observation and analysis of the triboelectrification and electrostatic discharge parameters of a material in the space environment in real time, and has a higher application value for the selection and design of the triboelectrification and electrostatic discharge and electrostatic resistant materials of a spacecraft.

Description

technical field [0001] The invention relates to the technical field of friction electrification, in particular to a detection and analysis device for friction electrification and static electricity dissipation in a space environment. Background technique [0002] Triboelectrification is a common physical phenomenon. Any two different objects will generate static electricity during the contact separation or friction process, and the accumulation of static electricity will easily lead to electrostatic discharge and cause harm. Especially in the field of aerospace, because it is in a vacuum or suspended state, the frictional charge on the surface of the material cannot be effectively and quickly dissipated or dissipated, and the electromagnetic pulse field generated by its electrostatic discharge will cause electromagnetic waves to various electronic equipment and information systems. Interference will cause the navigation system of aircraft, rockets, satellites and other aircr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/24
CPCG01R29/24
Inventor 王道爱郑有斌周峰刘维民
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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