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Test device for the interaction between microwave and weak magnetic plasma

A technology of magnetic plasma and testing device, applied in the direction of measuring device, instrument, etc., can solve the problem of lack of a device for obtaining the interaction between microwave and plasma, and achieve the effect of real and reliable results

Active Publication Date: 2016-05-18
严格集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of the current lack of devices for obtaining the interaction between microwaves and plasmas. The present invention provides a test device for the interaction between microwaves and weak magnetic plasmas

Method used

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  • Test device for the interaction between microwave and weak magnetic plasma
  • Test device for the interaction between microwave and weak magnetic plasma

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0011] Specific implementation mode one: combine figure 1 Describe this embodiment, the test device for the interaction between microwave and weak magnetic plasma described in this embodiment, it includes a microwave source 1, a ferrite insulation attenuator 2, a directional coupler 3, a vacuum microwave window 4, a first section Waveguide 5, piston 6, transition cone tube 8, second section waveguide 9, wave-absorbing load 10, vacuum pump system, probe system and plasma generator 16;

[0012] The microwave generated by the microwave source 1 is output to the ferrite insulation attenuator 2, the microwave output from the ferrite insulation attenuator 2 is input to the directional coupler 3, and the microwave output from the directional coupler 3 is transmitted through the vacuum microwave window 4 and then input to the second One port of one section of waveguide 5, the other port of first section waveguide 5 communicates with the narrow port of transition cone tube 8 through pi...

specific Embodiment approach 2

[0017] Embodiment 2: This embodiment is a further limitation of the test device for the interaction between microwave and weak magnetic plasma described in Embodiment 1, which also includes a resonance window 7;

[0018] The resonance window 7 is located at the narrow port where the piston 6 communicates with the transition cone tube 8 .

specific Embodiment approach 3

[0019] Specific implementation mode three: combination figure 2 Describe this embodiment, this embodiment is a further limitation of the test device for the interaction between microwave and weak magnetic plasma described in Embodiment 1 or 2, the probe system includes a probe head 13 and an electromagnetic microwave probe 14;

[0020] The electromagnetic microwave probe 14 is used to detect the experimental parameters of the plasma, and the probe head 13 is used to detect the density of the plasma.

[0021] The experimental parameters of the plasma include many, such as: plasma temperature, plasma collision frequency, etc.; however, the electromagnetic microwave probe 14 cannot measure the density of the plasma, so the probe head 13 is added.

[0022] The electromagnetic microwave probe 14 is located in the second waveguide 9 on the right side of the plasma generator 16 , and the probe head 13 is located in the second waveguide 9 on the right side of the electromagnetic micr...

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Abstract

The invention relates to a test device, in particular to a test device for mutual action of microwaves and a flux-weakening plasma. The problem of lack of a device for mutual action of the microwaves and the flux-weakening plasma at present is resolved. Microwaves generated by a microwave source of the test device are output to a ferrite insulating attenuator, the microwaves output by the ferrite insulating attenuator are input to a directional coupler, the microwaves output by the directional coupler are subjected to transmission by a vacuum microwave window and then input to one port of a first section of a waveguide tube, the other port of the first section of the waveguide tube is communicated with a narrow port of a transition cone tube through a piston, a wide port of the transition cone tube is communicated with one port of a second section of the waveguide tube, the other port of the second section of the waveguide tube is fixedly provided with a wave absorption load, a vacuum pump system is arranged under the wave absorption load, and a plasma generator and a probe system are sequentially arranged in the second section of the waveguide tube between the transition cone tube and the wave absorption load. The test device is used for measuring the experiment parameters of mutual action of the microwaves and the flux-weakening plasma.

Description

technical field [0001] The invention relates to a test device, in particular to a test device for the interaction between microwaves and weak magnetic plasma. Background technique [0002] At present, the black barrier problem of hyper-vehicles widely exists in space plasma science. Because the black barrier is a difficult problem in the measurement and control communication of the spacecraft in the process of returning to the earth. Studies have found that it is closely related to factors such as the speed, height, geometric shape, thrust and materials of the spacecraft in the atmosphere, and it is still in the stage of research and exploration so far. The so-called black barrier is that when space vehicles such as satellites, space shuttles, intercontinental missiles, and spaceships re-enter the atmosphere at super-high speeds, friction with the atmosphere causes a layer of dense plasma sheath to be generated on the surface of the spacecraft. Due to the high density of pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/00
Inventor 江滨浩张仲麟王春生
Owner 严格集团股份有限公司