Self-breakdown type pulsed plasma thruster for annular cone-shaped structure anode

A pulsed plasma and thruster technology, applied in the direction of utilizing plasma, thrust reversers, machines/engines, etc., can solve the problems of increasing the complexity of the system, reducing the reliability of the thruster, increasing the complexity of ceramics, etc. Propagation paths, ease of array integration, and the effect of reducing system weight and complexity

Active Publication Date: 2019-05-10
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

A typical gas thruster consists of: gas container, control valve, ignition system (including igniter and control part), which increases the complexity of the system to a certain extent, and the gas supply is often realized through ceramics.
To a certain extent, it increases the complexit...

Method used

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  • Self-breakdown type pulsed plasma thruster for annular cone-shaped structure anode
  • Self-breakdown type pulsed plasma thruster for annular cone-shaped structure anode

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Embodiment Construction

[0021] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0022] Such as figure 1 and figure 2 As shown, a self-breakdown pulse plasma thruster of the present invention with an annular pyramid structure anode includes a cathode cylinder 1, an insulating ceramic cylinder 2 and an anode 3 in sequence from outside to inside;

[0023] The insulating ceramic cylinder 2 surrounds the first half of the anode 3; the outer surface of the second half of the anode 3 is provided with an annular cone 31; the annular cone 31 surrounds the space formed by the cathode cylinder 1, the insulating ceramic cylinder 2 and the anode 3 The chamber is divided into a gas booster chamber I and a thrust acceleration chamber II, wherein the cavity near the front end is the gas booster chamber I, and the rear end is the thrust acceleration chamber II; the front half of the anode 3 has an anode air inlet 33 along the axial direction On the...

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Abstract

The invention discloses a self-breakdown type pulse plasma thruster for an annular cone-shaped structure anode. An annular cone-shaped structure is arranged on the outer surface of an anode, so that alocal strong electric field is between the position and a cathode tube, realization of the self-breakdown discharge is facilitated when the surrounding gas pressure environment is suitable, the thruster can perform stabilized normal operation, components such as an igniter and an ignition circuit are eliminated, and the weight and complexity degree of the system are greatly reduced; and the anode, ceramic and the cathode form a narrow chamber to facilitate collection and even distribution of gas, a gas pressure environment required for self-breakdown discharge is formed, and the thruster canachieve self-breakdown.

Description

technical field [0001] The invention belongs to the technical field of spacecraft propulsion, and in particular relates to a self-puncture type pulse plasma thruster with an annular pyramid structure anode. Background technique [0002] The pulsed plasma thruster is a kind of energy storage by a capacitor, relying on the spark plug to induce or self-sustain discharge, and generate a high-current arc discharge between the positive and negative electrodes, so that the working fluid is ionized into plasma, which is ejected under the action of self-induced electromagnetic force and aerodynamic force. A pulsed plasma device that generates thrust. With low power, high specific impulse, simple structure, and light weight, it is especially suitable for tasks such as micro-nano satellite spin elimination, orbit positioning, orbit maneuvering, attitude control, and formation flight. [0003] The typical propellant of pulsed plasma thrusters widely used at present is polytetrafluoroet...

Claims

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Application Information

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IPC IPC(8): F03H1/00
Inventor 王尚民张天平王小军郑茂繁陈新伟高军冯玮玮田立成杨福全李娟
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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