Pulsed plasma thruster working medium feeding component

A pulsed plasma and thruster technology, applied in the direction of utilizing plasma, thrust reverser, machine/engine, etc., can solve problems such as unfavorable micro-integration, poor stability, etc., to improve mechanical reliability, reduce damping, and high universal applicability. sexual effect

Active Publication Date: 2019-04-05
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the commonly used working medium of the micropulse plasma constant thruster is polytetrafluoroethylene, and the driving force component for it is generally a supply component based on a constant force spring, that is, a coil spring...

Method used

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  • Pulsed plasma thruster working medium feeding component
  • Pulsed plasma thruster working medium feeding component
  • Pulsed plasma thruster working medium feeding component

Examples

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Embodiment Construction

[0026] The present invention will be described in detail below with reference to the drawings and embodiments.

[0027] A working medium supply assembly for a pulse plasma thruster of the present invention includes a coil spring 1, a working medium carrying box 3, a spark plug 7, a cathode plate 11, and an anode plate 12; the working medium carrying box 3 has a working medium with a thruster The cavity corresponding to the shape and structure of the working medium 6 is used to place the working medium 6; one end surface of the working medium 6 along the length direction is provided with a constraining boss 9 and two end surfaces along the width direction are each provided with a protrusion One end of the coil spring 1 is connected to the restraining boss 9 and the other end abuts against the inner wall of one end of the working medium carrier box 3; the other end of the working medium carrier box 3 is open, and the upper end of the opening is provided with a cathode Plate 11, spa...

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Abstract

The invention discloses a pulsed plasma thruster working medium feeding component. The pulsed plasma thruster working medium feeding component is characterized by simple structure, light weight, and high mechanical properties, and can be integrated and assembled with different pulsed plasma thrusters. High general applicability is provided that a plurality of waist-shaped holes are formed in two sides of a working medium bearing box, and reinforcing bars are formed, a reinforcing bar connecting cover is arranged at the top of the box mouth, a hollow truss structure is formed, weight is reduced, damping is lowered, and the mechanical reliability of the component is improved; and a restraint groove is formed in the center of the bearing box, and an ear piece 15 is arranged on the side face of the corresponding working medium and can be arranged in a restraint groove, so that the restraints of the working medium and spring in the directions of up and down, and left and right are realized,and the stable and reliable directional pushing of the spring and the stable and reliable forward directional movement of the working medium can be effectively guaranteed.

Description

Technical field [0001] The invention belongs to the technical field of spacecraft propulsion, and particularly relates to a working medium supply assembly for a pulse plasma thruster. Background technique [0002] The pulse plasma thruster is a kind of capacitor energy storage, relying on spark plug induction or self-sustained discharge, a large current arc discharge is generated between the anode and cathode electrodes, which makes the working medium ionize into plasma, and sprays under the action of self-induced electromagnetic force and aerodynamic force. A pulsed plasma device that generates thrust is produced. With low power, simple structure, light weight, and easy micro-integration, it is especially suitable for tasks such as micro-nano satellite attitude control, orbit maintenance, and formation flying. [0003] The typical working medium of the pulse plasma thruster widely used at present is polytetrafluoroethylene. The continuous and stable supply of working medium direc...

Claims

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Application Information

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IPC IPC(8): F03H1/00
CPCF03H1/0006F03H1/0087
Inventor 张天平王小军王尚民高军田立成陈新伟冯玮玮杨福全罗卫东李娟
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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