CN106972239B - A kind of novel plasma body antenna and application method - Google Patents
A kind of novel plasma body antenna and application method Download PDFInfo
- Publication number
- CN106972239B CN106972239B CN201710219886.2A CN201710219886A CN106972239B CN 106972239 B CN106972239 B CN 106972239B CN 201710219886 A CN201710219886 A CN 201710219886A CN 106972239 B CN106972239 B CN 106972239B
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- stainless steel
- wall
- plasma
- glass tube
- arc chamber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/26—Supports; Mounting means by structural association with other equipment or articles with electric discharge tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Abstract
The invention discloses a kind of novel plasma antenna and its application methods, including arc chamber, gas cylinder, radio-frequency power supply, glass tube and AC power source, plasma is generated in arc chamber, plasma, which enters in glass tube, to work, and forms plasma antenna, realizes the transmitting-receiving of signal, plasma is generated into area and the separation of plasma operation area, make its autonomous working, keep the plasma density in plasma operation area adjustable, further increases the operating frequency range of plasma antenna.
Description
Technical field
The present invention relates to plasma antenna field, in particular to a kind of adjustable plasma antenna of plasma density.
Background technique
Plasma antenna is that ionized gas is used to make as the antenna of electromagnetic energy transmitting medium with metallic conductor
It is compared for the traditional antenna of transmitting medium, the medium due to using plasma as electromagnetic radiation, plasma is as substance
Existing 4th state, including ion, electronics and molecule, overall performance electroneutral have the advantages that flexible design, and length can
Be changed with the size with exciting power, the bandwidth of plasma antenna, impedance, directionality, radiation direction can with etc.
The frequency of gas ions and the collision frequency of plasma and change；Since its frequency is very high, when operating, enemy radar transmitting
Electromagnetic wave on the one hand be absorbed, original direction is on the other hand deviateed by reflection, and day is closed after having sent carrier wave
Line manages interior gas and reverts to state of insulation rapidly, no longer to external radiation, significantly reduces radar cross section, realize hidden
Body has the advantages that good concealment, but it is plasma work that the plasma of plasma antenna, which generates area, mostly at present
Make area, existing gas has plasma again inside the same area, is unfavorable for adjusting the density of plasma, to limit it
Operating frequency range.
Summary of the invention
The object of the present invention is in order to overcome existing plasma antenna that can not adjust the plasma density of workspace
Technological deficiency provides a kind of novel plasma antenna and its application method.
To achieve the above object, the present invention provides following schemes:
A kind of novel plasma antenna includes arc chamber, gas cylinder, radio-frequency power supply, glass tube and AC power source；
The arc chamber includes stainless steel cylinder and the stainless steel outer wall that the external side of stainless steel column is arranged in, the stainless steel
The annular space formed between cylinder and the stainless steel outer wall is that plasma generates area；
The chamber of the glass tube is plasma operation area, and outer wall is provided with metal patch, and the plasma generates
Area is mutually indepedent with the plasma operation area and is connected to；
One end of the arc chamber is connect with the gas cylinder by tracheae, and the tracheae is the adjustable tracheae of intake velocity,
The stainless steel cylinder is electrically connected with the radio-frequency power supply, the stainless steel outer wall ground connection, the other end of the arc chamber and institute
Glass tube sealed connection is stated, the glass tube is electrically connected by the metal patch with the AC power source.
The stainless steel cylinder and the stainless steel wall coaxial heart, the arc chamber is by the stainless steel outer wall and institute
The annular space of stainless steel cylinder composition is stated, the stainless steel outer wall is that one end is provided with wall bottom, the other end is provided with wall mouth
Tubular structure, the arc chamber are connect by the wall mouth end of the stainless steel outer wall with the glass tube.
One end of the stainless steel cylinder and the wall bottom of the stainless steel outer wall are insulated and are bolted, described stainless
Insulating supporting column is additionally provided on the inside of steel outer wall, the other end of the stainless steel cylinder passes through the exhausted of the stainless steel inside outer wall
The support of edge support column.
The glass tube is that one end is provided with tube bottom, the other end is provided with the elongated cylindrical pipe of nozzle, uniformly distributed on outer wall
There are two metal patch, two metal patches are connected with two electrodes of AC power source respectively.
The wall mouth end of the stainless steel outer wall is connect with the nose end of the glass tube by guard seal.
The shape of the baffle is annular, and material is nitrile rubber, the outer diameter of the stainless steel outer wall of internal diameter and arc chamber
Identical, outer diameter is identical as the internal diameter of glass tube.
Aperture is provided on the wall bottom of the stainless steel outer wall, the aperture is connected by tracheae with gas cylinder.
The gas cylinder 1 is provided with inert gas.
A kind of application method of novel plasma antenna, which comprises the steps of:
Step 1: in use, the inert gas in gas cylinder enters electric discharge from the aperture at the wall bottom of stainless steel outer wall by tracheae
Room；
Step 2: radio-frequency power supply provides Persistent Excitation for the stainless steel column inside arc chamber, makes outside stainless steel column and stainless steel
Wall generates voltage difference, and when the voltage difference is more than or equal to breakdown voltage, the indoor inert gas that discharges is ionized, and generates
Plasma；
Step 3: the plasma of generation is blown into glass tube by the gas entered from aperture, and the speed of air inlet is adjusted by tracheae
Degree, to adjust the density of plasma in glass tube.
Step 4: the AC power source provides electric field for the glass tube, makes the plasma in glass tube in AC field
Under the action of constantly vibrate, to prevent the compound of plasma, maintain plasmoid, form plasma antenna, into
The transmitting-receiving of row signal.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
A kind of novel plasma body antenna of disclosure of the invention and application method, by stainless steel cylinder and the stainless steel outer wall
Between the annular space that is formed as plasma generate area, workspace of the chamber of glass tube as plasma, and make
Gas ions generate area and plasma operation area is mutually indepedent, generate the inert gas for generating plasma (in plasma
Area) it is separated with plasma (in plasma operation area), and then keep the plasma density in plasma operation area adjustable, into
The operating frequency range of one step increase plasma antenna.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of graph structure of novel plasma provided by the invention；
Fig. 2 is a kind of sectional view of the arc chamber of novel plasma provided by the invention；
Fig. 3 is a kind of sectional view of the baffle of novel plasma provided by the invention；
Wherein, 1 in figure is arc chamber, and 2 be gas cylinder, and 3 be radio-frequency power supply, and 4 be glass tube, and 5 be AC power source, and 6 be gold
Belong to patch, 7 be insulating supporting column, and 8 be baffle.
Specific embodiment
The object of the present invention is to provide a kind of novel plasma antennas and application method.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
According to Fig. 1, a kind of novel plasma antenna of the invention includes arc chamber 1, gas cylinder 2, radio-frequency power supply 3, glass
Glass pipe 4, AC power source 5；The arc chamber 1 includes stainless steel cylinder and the stainless steel outer wall that the external side of stainless steel column is arranged in,
Annular space is formed between the stainless steel cylinder and the stainless steel outer wall as plasma generates area；The glass tube 4
Workspace of the chamber as plasma, the outer wall of the glass tube 4 is provided with metal patch 6, one end of the arc chamber 1 with
The gas cylinder 2 is connected by tracheae, and the tracheae 2 is the adjustable tracheae of intake velocity, the stainless steel cylinder and the radio frequency
Power supply 3 is electrically connected, and the stainless steel outer wall ground connection, the other end of the arc chamber 1 and the glass tube 4 are tightly connected, described
Glass tube is electrically connected by the metal patch 6 with the AC power source 5.
The stainless steel cylinder and the stainless steel wall coaxial heart, the stainless steel outer wall be one end be provided with wall bottom,
The other end is provided with the tubular structure of wall mouth, and the stainless steel column is solid cylinder structure, and the arc chamber passes through described stainless
The wall mouth end of steel outer wall is connect with the glass tube；One end of the stainless steel cylinder and the wall bottom of the stainless steel outer wall are insulated
And be bolted, insulating supporting column is additionally provided on the inside of the stainless steel outer wall, the other end of the stainless steel cylinder is logical
The insulating supporting column support of the stainless steel inside outer wall is crossed, the ratio between the arc chamber 1 and the radius of the stainless steel column are between 1
To between 3, it is preferred that the radius of the stainless steel column be 4mm, stainless steel outer wall with a thickness of 2mm.
The glass tube 4 is that one end is provided with tube bottom, the other end is provided with the elongated cylindrical pipe of nozzle, the glass tube
Radius is slightly larger than the radius of stainless steel outer wall, it is preferred that the radius of the glass tube is 15mm.
It is uniformly distributed there are two metal patch 6 on the outer wall of the glass tube, two metal patches 6 respectively with AC power source 5
Two electrodes are connected, and constitute the two poles of the earth of plate condenser, the negative ions in glass tube are applied with the adjusting of the direction of motion, preferably
, the metal patch 6 with a thickness of 2mm.
The wall mouth end of the stainless steel outer wall is connect with the nose end of the glass tube by guard seal, the glass tube
4 annular spaces formed with the stainless steel outer wall of the arc chamber 1 and stainless steel column communicate, and since gas cylinder 2 is constantly ventilated, can incite somebody to action
The plasma jet generated in arc chamber 1 is into glass tube 4.
As shown in figure 3, the shape of the baffle 8 is annular, material is nitrile rubber, and internal diameter is stainless with arc chamber 1
The outer diameter of steel outer wall is identical, and outer diameter is identical as the internal diameter of glass tube, it is preferred that in baffle 8 and stainless steel outer wall and glass tube 4
Contact position is sealed with silicone sealant.
Aperture is provided on the wall bottom of the stainless steel outer wall, the aperture is connected by tracheae with gas cylinder.
The gas cylinder 1 is provided with inert gas, it is preferred that the inert gas can be helium, neon, argon gas, Krypton,
One of xenon or their mixing.
In use, 2 Continuous aeration of gas cylinder, the indoor air pressure that makes to discharge is under atmospheric pressure, and the arc chamber 1 is not
The steel outer wall that becomes rusty is grounded, and the radio-frequency power supply 3 provides Persistent Excitation for the stainless steel column of arc chamber 1, makes stainless steel column and stainless steel
Outer wall generates voltage difference, and when the voltage difference is more than or equal to breakdown voltage, dielectric barrier discharge occurs in arc chamber 1,
Inert gas is ionized, and generates electronics and ion, i.e. plasma, and the gas that the electronics and ion generated is continually fed into is blown
Enter into glass tube 4, plasma is compound in order to prevent, connects AC power source by the metal patch 6 on 4 outer wall of glass tube
5, electric field is provided for glass tube 4, makes to enter ion and electronics in glass tube and distinguishes in the glass tube along direction of an electric field
Movement, and change the voltage magnitude and frequency of AC power source, so that the movement velocity of electronics is greater than the speed of electric field change, even if
Plasma in glass tube shakes always under AC field effect, keeps plasmoid, and the length of glass tube
Longer, glass tube is plasma antenna at this time, for the transmitting-receiving of signal, and can adjust intake velocity by tracheae,
To adjust the plasma density in glass tube, and then the operating frequency range of increase plasma antenna.
Preferably, the working frequency of the radio-frequency power supply 3 is 13.56MHz；The voltage value of the AC power source 5 is 220V,
Frequency is 0.25GHz.
Specific examples are used herein to describe the principles and implementation manners of the present invention, the explanation of above embodiments
Method and its core concept of the invention are merely used to help understand, described embodiment is only that a part of the invention is real
Example is applied, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Claims (9)
1. a kind of novel plasma body antenna, which is characterized in that including arc chamber, gas cylinder, radio-frequency power supply, glass tube and alternating current
Source；
The arc chamber includes stainless steel cylinder and the stainless steel outer wall that the external side of stainless steel column is arranged in, the stainless steel cylinder
The annular space formed between the stainless steel outer wall is that plasma generates area；
The chamber of the glass tube is plasma operation area, and outer wall is provided with metal patch, the plasma generate area with
The plasma operation area is mutually indepedent and is connected to；
One end of the arc chamber is connect with the gas cylinder by tracheae, and the tracheae is the adjustable tracheae of intake velocity, described
Stainless steel cylinder is electrically connected with the radio-frequency power supply, the stainless steel outer wall ground connection, the other end of the arc chamber and the glass
The connection of the glass seal of tube, the glass tube are electrically connected by the metal patch with the AC power source.
2. a kind of novel plasma body antenna according to claim 1, the stainless steel cylinder and the stainless steel outer wall
Concentric, the arc chamber is the annular space being made of the stainless steel outer wall and the stainless steel cylinder, the stainless steel
Outer wall is that one end is provided with wall bottom, the other end is provided with the tubular structure of wall mouth, and the arc chamber passes through the stainless steel outer wall
Wall mouth end connect with the glass tube.
3. a kind of novel plasma body antenna according to claim 2, which is characterized in that one end of the stainless steel cylinder
It insulate and is bolted with the wall bottom of the stainless steel outer wall, be additionally provided with insulating supporting on the inside of the stainless steel outer wall
The other end of column, the stainless steel cylinder is supported by the insulating supporting column of the stainless steel inside outer wall.
4. a kind of novel plasma body antenna according to claim 3, which is characterized in that the glass tube is one end setting
There are tube bottom, the other end to be provided with the elongated cylindrical pipe of nozzle, is evenly distributed on outer wall there are two metal patch, two metal patches divide
It is not connected with two electrodes of AC power source.
5. a kind of novel plasma body antenna according to claim 4, which is characterized in that the wall mouth of the stainless steel outer wall
End is connect with the nose end of the glass tube by guard seal.
6. a kind of novel plasma body antenna according to claim 5, which is characterized in that the shape of the baffle is ring
Shape, material are nitrile rubber, and internal diameter is identical as the outer diameter of stainless steel outer wall of arc chamber, the internal diameter phase of outer diameter and glass tube
Together.
7. a kind of novel plasma body antenna according to claim 6, which is characterized in that the wall bottom of the stainless steel outer wall
On be provided with aperture, the aperture is connected by tracheae with gas cylinder.
8. a kind of application method of novel plasma antenna, which comprises the steps of:
Step 1: in use, the inert gas in gas cylinder enters arc chamber from the aperture at the wall bottom of stainless steel outer wall by tracheae；
Step 2: radio-frequency power supply provides Persistent Excitation for the stainless steel column inside arc chamber, produces stainless steel column and stainless steel outer wall
Raw voltage difference, when the voltage difference is more than or equal to breakdown voltage, the indoor inert gas that discharges is ionized, generate etc. from
Daughter；
Step 3: the plasma of generation is blown into glass tube by the gas entered from aperture, and the speed of air inlet is adjusted by tracheae,
To adjust the density of plasma in glass tube.
9. a kind of application method of novel plasma antenna according to claim 8, which is characterized in that further include step 4:
AC power source provides AC field for the glass tube, keeps the plasma in glass tube continuous under the action of AC field
Oscillation maintains plasmoid to prevent the compound of plasma, forms plasma antenna, carries out the transmitting-receiving of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219886.2A CN106972239B (en) | 2017-04-06 | 2017-04-06 | A kind of novel plasma body antenna and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219886.2A CN106972239B (en) | 2017-04-06 | 2017-04-06 | A kind of novel plasma body antenna and application method |
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| Publication Number | Publication Date |
|---|---|
| CN106972239A CN106972239A (en) | 2017-07-21 |
| CN106972239B true CN106972239B (en) | 2019-05-03 |
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| CN201710219886.2A Active CN106972239B (en) | 2017-04-06 | 2017-04-06 | A kind of novel plasma body antenna and application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109168244B (en) * | 2018-10-24 | 2021-03-09 | 中国科学院国家空间科学中心 | Preparation method of ionization cavity based on plasma antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291922A (en) * | 2011-07-22 | 2011-12-21 | 中国科学院空间科学与应用研究中心 | Ion generating device |
| CN102573260A (en) * | 2010-12-08 | 2012-07-11 | 上海华质生物技术有限公司 | Generating device of plasma ion source |
| KR101232198B1 (en) * | 2011-08-09 | 2013-02-12 | 피에스케이 주식회사 | Plasma generating unit, apparatus and method for treating substrate using plasma |
-
2017
- 2017-04-06 CN CN201710219886.2A patent/CN106972239B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573260A (en) * | 2010-12-08 | 2012-07-11 | 上海华质生物技术有限公司 | Generating device of plasma ion source |
| CN102291922A (en) * | 2011-07-22 | 2011-12-21 | 中国科学院空间科学与应用研究中心 | Ion generating device |
| KR101232198B1 (en) * | 2011-08-09 | 2013-02-12 | 피에스케이 주식회사 | Plasma generating unit, apparatus and method for treating substrate using plasma |
Non-Patent Citations (1)
| Title |
|---|
| "单极柱形等离子体天线的多物理场研究";任静;《中国优秀硕士学位论文全文数据库 信息科技辑》;20150215(第02期);第1-54页 |
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| CN106972239A (en) | 2017-07-21 |
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