CN110374829A - Nano particle Flied emission thruster - Google Patents
Nano particle Flied emission thruster Download PDFInfo
- Publication number
- CN110374829A CN110374829A CN201910503174.2A CN201910503174A CN110374829A CN 110374829 A CN110374829 A CN 110374829A CN 201910503174 A CN201910503174 A CN 201910503174A CN 110374829 A CN110374829 A CN 110374829A
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- Prior art keywords
- nano particle
- particle
- channel
- positive electrode
- electrode
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0006—Details applicable to different types of plasma thrusters
- F03H1/0018—Arrangements or adaptations of power supply systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0006—Details applicable to different types of plasma thrusters
- F03H1/0025—Neutralisers, i.e. means for keeping electrical neutrality
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0087—Electro-dynamic thrusters, e.g. pulsed plasma thrusters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Plasma Technology (AREA)
Abstract
The present invention provides a kind of nano particle Flied emission thrusters, it solves the problems, such as in existing nanometer Flied emission thruster and the electric field of strategy makees negative work, thrust generates drift angle, obtain that nanometer Flied emission thruster is light-weight, small in size, efficiency is high, thrust stablizes effective income.Primary structure includes the positive electrode 1, ceramic insulation ring 2 and negative electrode 3 with borehole structure, nano particle 4 is stored in negative electrode channel, grain diameter is in 100nm magnitude, when there are when the inducement voltage of 103V magnitude between electrode, negative electricity nano particle can be enabled to complete reverse charging in positive electrode inner surface, positive and negative particle completes space self-neutralization after leaving positive electrode.
Description
Technical field
The present invention relates to space flight Push Technology fields, and in particular, to a kind of nano particle Flied emission thruster especially relates to
And a kind of nanometer Flied emission thruster based in reverse charging with strategy.
Background technique
Nano particle Flied emission thruster is a kind of power plant for applying to microsatellite, and thrust can realize 1 μ N
The range of~100mN, specific impulse can realize the range of 100~10000s.In 2006, the propulsion concept of nanometer Flied emission by
The team of Louis M is put forward for the first time, between 2006~2009 years, nanometer Flied emission Push Technology be constantly in theoretical optimization with
The verification experimental verification stage does not have and neutralizes policy construction report, this brings problem to the engineering application of nanometer Flied emission thruster.
Until 2011, document " David L etc., Simulation of Self-Neutralization
Techniques for Charged Particle Thrusters, 47th AIAA/ASME/SAE/ASEE Joint
Propulsion Conference.San Diego, California.July 31-August 03,2011 " describes two kinds
Neutralization strategy about nanometer Flied emission thruster: time asynchronous strategy and space asynchronous strategy.Time, asynchronous strategy was
Potential difference symbol in time between conversion positive and negative electrode at equal intervals, allows thruster alternation to emit positive and negative charge particle, completes one kind
Standard neutralizes transmitting；Space asynchronous strategy be by even number platform nanometer Flied emission thruster according to some cycles law of symmetry arrange,
Half nanometer Flied emission thruster emits positive particles, and half nanometer Flied emission thruster emits negative electricity particle, same to can be achieved
Standard neutralizes transmitting.
However, time asynchronous strategy can cause the charged particle launched can be due to the moment reversion of potential difference symbol
Make negative work under electric field action, reduces thrust；Space asynchronous strategy can be due to the small difference of nanometer Flied emission thruster single machine performance
The different transmitting plume for leading to more nanometer Flied emission thrusters is unevenly distributed, and there are thrust drift angles.Also, it is above two negative
Face effect can not evade at present.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of nano particle Flied emission thrusters.
A kind of nano particle Flied emission thruster provided according to the present invention, including nano particle field emission structure；
The nano particle field emission structure includes positive electrode, dead ring and negative electrode；
The positive electrode includes positive electrode channel；The dead ring includes insulated channel；The negative electrode includes negative electrode
Channel；
The positive electrode, dead ring, negative electrode are sequentially connected, and the positive electrode channel, insulated channel and negative electrode
The position in channel is corresponding, is interconnected, and
Insulated channel is less than section face of the insulated channel on the second joint face in the area of section on the first joint face
Product；Or
Insulated channel is greater than section face of the insulated channel on the second joint face in the area of section on the first joint face
Product；
Wherein, first joint face be positive electrode and dead ring joint face, second joint face be dead ring and
The joint face of negative electrode.
Preferably, the nano particle field emission structure further includes nano particle；The nano particle is arranged in negative electrode
In channel or positive electrode channel, and positive particles can be changed under the action of positive electrode, dead ring and negative electrode
And/or negative electricity particle is emitted from nano particle field emission structure.
Preferably, the grain diameter magnitude of the nano particle is 100nm magnitude.
Preferably, the dead ring is ceramic insulation ring.
Preferably, the positive electrode and/or negative electricity extremely Durable electrode；The Durable electrode refers to corrosion-resistant and/or resistance to
The metal electrode of sputtering.
Preferably, the spacing range of the positive electrode and negative electrode is 1mm to 2mm.
Preferably, the positive electrode channel and negative electrode channel are cylindrical channel, and the internal diameter d in positive electrode channel+
With the internal diameter d in negative electrode channel-Value range is 0.5mm to 3mm.
Preferably, the internal diameter d in positive electrode channel+With the internal diameter d in negative electrode channel-Meet following formula:
Preferably, the nano particle includes any one of Au particle, Ag particle, Cu particle and Al particle or appoints more
Kind combination；Wherein, the particle size range of the Au particle, Ag particle, Cu particle and Al particle is in 200nm between 800nm.
Preferably, the nano particle Flied emission thruster further includes pedestal, driving spring and support rod；
The pedestal is connected by support rod with nano particle field emission structure；Driving spring setting pedestal with receive
Between rice grain field emission structure.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, nano particle Flied emission thruster provided by the invention, have structure is simple, propulsive efficiency is high, it is at low cost, can
The advantage high by property；
2, nano particle Flied emission thruster provided by the invention is set by the integration of the self-neutralization strategy of reverse charging
Meter, compared with reported neutralization strategy, thruster structure of the invention and working mechanism are simpler, and thruster quality obtains
It reduces, it is only necessary to voltage output end of the DC power supply as induced electric potential, and entire propulsion system and quality and volume all can
It is reduced；
3, the self-neutralization mechanism of nano particle Flied emission thruster provided by the invention, no charge excess can enable thruster advise
It keeps away electric field and negative work problem is made to charged particle, the single machine that the integrated design of positive and negative neutralization can be evaded when more thrusters cascade is poor
Different problem；
4, nano particle Flied emission thruster provided by the invention can sufficiently realize a nanometer high energy for Flied emission thruster
The stable advantage of effect, thrust.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the overall structure diagram of nano particle Flied emission thruster preference provided by the invention；
Fig. 2 is that the nano particle field emission structure of nano particle Flied emission thruster preference provided by the invention is illustrated
Figure.
It is shown in figure:
Pedestal 100
Driving spring 200
Support rod 300
Nano particle field emission structure 400
Positive particles 401
Negative electricity particle 402
Positive electrode 1
Positive electrode inner wall 11
Dead ring 2
Negative electrode 3
Nano particle 4
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of nano particle Flied emission thruster provided according to the present invention, including nano particle field emission structure 400；Institute
Stating nano particle field emission structure 400 includes positive electrode 1, dead ring 2 and negative electrode 3；The positive electrode 1 is logical including positive electrode
Road；The dead ring 2 includes insulated channel；The negative electrode 3 includes negative electrode channel；The positive electrode 1, dead ring 2, negative electricity
Pole 3 is sequentially connected, and the position in the positive electrode channel, insulated channel and negative electrode channel is corresponding, is interconnected, and
Insulated channel is less than section face of the insulated channel on the second joint face in the area of section on the first joint face
Product；Or
Insulated channel is greater than section face of the insulated channel on the second joint face in the area of section on the first joint face
Product；
Wherein, first joint face is the joint face of positive electrode 1 and dead ring 2, and second joint face is dead ring 2
With the joint face of negative electrode 3.
Specifically, the nano particle field emission structure 400 further includes nano particle 4；The setting of nano particle 4 is negative
In electrode channel or positive electrode channel, and it can change under the action of positive electrode 1, dead ring 2 and negative electrode 3 and be positive
Electric particle 401 and/or negative electricity particle 402 are emitted from nano particle field emission structure 400.The grain diameter of the nano particle 4
Magnitude is 100nm magnitude.The dead ring 2 is ceramic insulation ring.The positive electrode 1 and/or negative electrode 3 are Durable electrode；Institute
It states Durable electrode and refers to corrosion-resistant and/or resistant sputtering metal electrode.The spacing range of the positive electrode 1 and negative electrode 3 is 1mm
To 2mm.The positive electrode channel and negative electrode channel are cylindrical channel, and the internal diameter d in positive electrode channel+It is logical with negative electrode
The internal diameter d in road-Value range is 0.5mm to 3mm.The internal diameter d in positive electrode channel+With the internal diameter d in negative electrode channel-Meet such as
Lower formula:
More specifically, the nano particle 4 include any one of Au particle, Ag particle, Cu particle and Al particle or
Appoint multiple combinations；Wherein, the particle size range of the Au particle, Ag particle, Cu particle and Al particle is in 200nm to 800nm
Between.The nano particle Flied emission thruster further includes pedestal 100, driving spring 200 and support rod 300；The pedestal
100 are connected by 12 support rods 300 with nano particle field emission structure 400；The driving spring 200 is arranged in pedestal 100
Between nano particle field emission structure 400.
Further, preference of the present invention provide based in reverse charging and the nanometer Flied emission thruster of strategy, belong to
In electric propulsion field.It solves in existing nanometer Flied emission thruster and the electric field of strategy makees negative work, thrust generates asking for drift angle
Topic, obtains that nanometer Flied emission thruster is light-weight, small in size, efficiency is high, thrust stablizes effective income.Primary structure includes tool
There are the positive electrode 1, ceramic insulation ring 2 and negative electrode 3 of borehole structure, nano particle 4, particle are stored in negative electrode channel
Diameter is in 100nm magnitude, when, there are when the inducement voltage of 103V magnitude, negative electricity nano particle being enabled in positive electrode inner surface between electrode
Reverse charging is completed, positive and negative particle completes space self-neutralization after leaving positive electrode.
Wherein, nano particle stores in negative electrode channel, between electrodes plus after induced electric potential difference, negative electrode surface
Nano particle can charge to be saturated and leave electronegative surface, under the guidance of dead ring, negative electricity nano particle understands some
Positive electrode inner surface is hit, the reverse charging process from negative electrical charge particle to positive charge particle is completed, goes out in this way, leaving positive electrode
The particle of mouth both includes positive particles, also includes negative electricity particle.Positive and negative electrode is generally the materials such as Ti, Mo, electrode spacing 1~
2mm range, two electrode internal diameters are in 0.5~3mm range, positive electrode internal diameter d+With negative electrode internal diameter d-It is reasonable adjusting under (d+/d-
=0.75~0.78), it can be achieved that the positive and negative charge amounts of particles for leaving positive electricity outlet is impartial, the space without charge excess is completed certainly
It neutralizes.
That is, the present invention proposes a kind of thruster structure of the self-neutralization strategy for integral type that preference proposes, can either advise
It keeps away electric field and makees negative work problem, and a nanometer Flied emission thruster single machine difference problem can be got rid of.Skill is promoted for solid particle electrostatic
The neutralization strategy of art provides new method.
Further, in conjunction with attached drawing, preference of the present invention is described in detail as follows:
Preference of the present invention proposes in a kind of reverse charging and the nanometer Flied emission thruster of strategy, such as Fig. 1 and Fig. 2 institute
Show, primary structure includes positive electrode 1, insulating ceramics ring 1 and negative electrode 3.Corrosion-resistant, resistant sputtering metal can be selected in positive and negative electrode
Material (such as Ti, Mo) add inducement voltage between positive and negative electrode, it can be achieved that the nano particle in negative electrode channel charge to it is full
With, and leave negative electrode surface；Part negative electricity particle can collide with positive electrode inner surface, complete the positive charge charging of moment
To saturation；Electrode spacing is adjusting positive electrode internal diameter and negative electrode in 0.5~3mm range in 1~2mm range, two electrode internal diameters
(d after internal diameter ratio+/d-=0.75~0.78, it can be achieved that the positive and negative charge for leaving positive electrode outlet realizes efficient spatial without surplus
Self-neutralization process.
Inducement voltage between positive and negative electrode can adjust between 3000~10000V, and it is 200 that partial size, which can be used, in nano particle
Au, Ag, Cu or Al particle of~800nm, this layout strategy can enable nano particle charge to saturation under inducement voltage, with
Utmostly realize that thrust generates.
Spirit of that invention and principle should include: d+The structure proportion (control positive and negative charge is without surplus) of/d, thruster one
The self-neutralization strategy of formula designs, all structural modifications carried out in this spirit and principle, assembly material replacement and positive and negative electrode
It exchanges, should be included within the scope of the present invention.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of nano particle Flied emission thruster, which is characterized in that including nano particle field emission structure (400)；
The nano particle field emission structure (400) includes positive electrode (1), dead ring (2) and negative electrode (3)；
The positive electrode (1) includes positive electrode channel；The dead ring (2) includes insulated channel；The negative electrode (3) includes negative
Electrode channel；
The positive electrode (1), dead ring (2), negative electrode (3) are sequentially connected, and the positive electrode channel, insulated channel and negative
The position of electrode channel is corresponding, is interconnected, and
Insulated channel is less than area of section of the insulated channel on the second joint face in the area of section on the first joint face；Or
Person
Insulated channel is greater than area of section of the insulated channel on the second joint face in the area of section on the first joint face；
Wherein, first joint face is the joint face of positive electrode (1) and dead ring (2), and second joint face is dead ring
(2) and the joint face of negative electrode (3).
2. nano particle Flied emission thruster according to claim 1, which is characterized in that the nano particle Flied emission knot
Structure (400) further includes nano particle (4)；The nano particle (4) is arranged in negative electrode channel or positive electrode channel, and
Positive particles (401) and/or negative electricity can be changed under the action of positive electrode (1), dead ring (2) and negative electrode (3)
Grain (402) is emitted from nano particle field emission structure (400).
3. nano particle Flied emission thruster according to claim 2, which is characterized in that of the nano particle (4)
Grain partial size magnitude is 100nm magnitude.
4. nano particle Flied emission thruster according to claim 2, which is characterized in that the dead ring (2) is ceramics
Dead ring.
5. nano particle Flied emission thruster according to claim 2, which is characterized in that the positive electrode (1) and/or negative
Electrode (3) is Durable electrode；The Durable electrode refers to corrosion-resistant and/or resistant sputtering metal electrode.
6. nano particle Flied emission thruster according to claim 2, which is characterized in that the positive electrode (1) and negative electricity
The spacing range of pole (3) is 1mm to 2mm.
7. nano particle Flied emission thruster according to claim 2, which is characterized in that the positive electrode channel and negative electricity
Pole channel is cylindrical channel, and the internal diameter d in positive electrode channel+With the internal diameter d in negative electrode channel-Value range is 0.5mm
To 3mm.
8. nano particle Flied emission thruster according to claim 7, which is characterized in that the internal diameter d in positive electrode channel+With
The internal diameter d in negative electrode channel-Meet following formula:
9. nano particle Flied emission thruster according to claim 3, which is characterized in that the nano particle (4) includes
Any one of Au particle, Ag particle, Cu particle and Al particle appoint multiple combinations；Wherein, the Au particle, Ag particle,
The particle size range of Cu particle and Al particle is in 200nm between 800nm.
10. nano particle Flied emission thruster according to any one of claim 1 to 9, which is characterized in that the nanometer
Particle Flied emission thruster further includes pedestal (100), driving spring (200) and support rod (300)；
The pedestal (100) is connected by support rod (300) with nano particle field emission structure (400)；The driving spring
(200) it is arranged between pedestal (100) and nano particle field emission structure (400).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI778706B (en) * | 2021-07-13 | 2022-09-21 | 國立成功大學 | Vacuum cathode arc-induced pulsed thruster |
| US11859599B1 (en) | 2023-06-27 | 2024-01-02 | National Cheng Kung University | Vacuum arc thruster with multi-layer insulation |
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| JPH09242663A (en) * | 1996-03-07 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Direct current arc jet propeller |
| CN103912466A (en) * | 2014-04-10 | 2014-07-09 | 王文东 | Electric hydrodynamic force propeller |
| CN105114276A (en) * | 2015-09-14 | 2015-12-02 | 中国计量学院 | Tandem electric field force aircraft propelling device |
| CN105402099A (en) * | 2015-12-07 | 2016-03-16 | 上海空间推进研究所 | Needle type porous material emitter array type mini-type field emission electric thruster |
| CN105626410A (en) * | 2015-12-25 | 2016-06-01 | 上海空间推进研究所 | Plume neutralizer of space electric thruster |
| CN109630369A (en) * | 2019-01-11 | 2019-04-16 | 哈尔滨工业大学 | A kind of radio frequency-ion thruster and method for generating pulse |
-
2019
- 2019-06-11 CN CN201910503174.2A patent/CN110374829B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242663A (en) * | 1996-03-07 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Direct current arc jet propeller |
| CN103912466A (en) * | 2014-04-10 | 2014-07-09 | 王文东 | Electric hydrodynamic force propeller |
| CN105114276A (en) * | 2015-09-14 | 2015-12-02 | 中国计量学院 | Tandem electric field force aircraft propelling device |
| CN105402099A (en) * | 2015-12-07 | 2016-03-16 | 上海空间推进研究所 | Needle type porous material emitter array type mini-type field emission electric thruster |
| CN105626410A (en) * | 2015-12-25 | 2016-06-01 | 上海空间推进研究所 | Plume neutralizer of space electric thruster |
| CN109630369A (en) * | 2019-01-11 | 2019-04-16 | 哈尔滨工业大学 | A kind of radio frequency-ion thruster and method for generating pulse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI778706B (en) * | 2021-07-13 | 2022-09-21 | 國立成功大學 | Vacuum cathode arc-induced pulsed thruster |
| US11859599B1 (en) | 2023-06-27 | 2024-01-02 | National Cheng Kung University | Vacuum arc thruster with multi-layer insulation |
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| CN110374829B (en) | 2020-07-14 |
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