CN109826768A - A kind of low-power cylinder hall thruster of diamond wall surface - Google Patents
A kind of low-power cylinder hall thruster of diamond wall surface Download PDFInfo
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- CN109826768A CN109826768A CN201910146374.7A CN201910146374A CN109826768A CN 109826768 A CN109826768 A CN 109826768A CN 201910146374 A CN201910146374 A CN 201910146374A CN 109826768 A CN109826768 A CN 109826768A
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- diamond
- pure iron
- magnetic conduction
- wall surface
- iron magnetic
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Abstract
A kind of low-power cylinder hall thruster of diamond wall surface provided by the invention, it include: permanent magnet, pure iron magnetic conduction top, pure iron magnetic conduction chassis, anode, ceramic base and diamond channel, permanent magnet, pure iron magnetic conduction top and diamond channel are annular element and coaxial, pure iron magnetic conduction top, permanent magnet and pure iron magnetic conduction chassis are from top to bottom sequentially connected composition cavity, the center on pure iron magnetic conduction chassis has upwardly extended a rotary supporting part along central axes, ceramic base is within the cavity, and ceramic base is rotationally connected with rotary supporting part top, anode is mounted on ceramic base, diamond channel is mounted on the outer rim upper surface of ceramic base.Channel wall of the invention takes diamond wall surface material, may make plasma to reduce the influence that wall surface bombards, while can also greatly improve thruster mechanical strength, facilitates the service life for promoting propeller.
Description
Technical field
The present invention relates to a kind of cylindrical type hall thrusters, and in particular, to a kind of low-power cylinder of diamond wall surface
Shape hall thruster belongs to cylindrical hall thruster field.
Background technique
Electric propulsion with it than leaping high, the service life it is long, it is compact-sized, small in size and pollution it is light the advantages that and gradually by space flight circle
Favor, with having the characteristics that microthrust, high specific impulse, the development of the electric propulsion technology of long-life, small power electric promotes and has become tool
There is the moonlet propulsion system of technological competitiveness to select.
Although traditional Hall thruster can be difficult under kw of power with high-efficiency operation down to 100W power
It is lower to keep relatively high efficiency.While hall thruster zooms to low-power and needs to reduce thruster channel size, and increases
Magnetic field strength.Cause magnetic saturation phenomenon serious, and be subjected to bigger thermal force, in extreme circumstances, channel wall is caused to be invaded
Erosion problem is extremely serious.
Inner magnetic core of the cylindrical hall thruster due to eliminating channel, can make surface to volume ratio reduce, superheating phenomenon obtains
Alleviate, but outer ceramic wall surface still will receive the erosion of ion, cause the service life still limited.Furthermore thruster follows satellite to send out
It will receive stronger vibration and impact, the frangible deformation of ceramic component during penetrating heaven.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of low-power cylinders of diamond wall surface suddenly
Your thruster, solve existing cylindrical hall thruster plasma and wall action aggravation and channel wall through it is vibrated with
And under impact the problem of easy unstability.A kind of cylindrical hall thruster of diamond wall surface is now provided.
The present invention provides a kind of low-power cylinder hall thrusters of diamond wall surface, comprising: permanent magnet, pure iron are led
Magnetic top, pure iron magnetic conduction chassis, anode, ceramic base and diamond channel,
The permanent magnet, pure iron magnetic conduction top and the diamond channel are annular element and coaxial,
Pure iron magnetic conduction top, the permanent magnet and pure iron magnetic conduction chassis are from top to bottom sequentially connected composition cavity, institute
The center for stating pure iron magnetic conduction chassis has upwardly extended a rotary supporting part along central axes, and the ceramic base is located at the cavity
It is interior, and the ceramic base is rotationally connected with the rotary supporting part top, the anode is mounted on ceramic base, the gold
Hard rock channel is mounted on the outer rim upper surface of the ceramic base.
Further, the ceramic base center has upwardly extended a protruding portion along central axes, the protruding portion with it is described
Diamond interchannel forms mounting groove, and the anode is mounted in the mounting groove.
Further, the mounting groove bottom of the ceramic base is provided with the through-hole for anode installation.
Further, the ceramic base is made of boron nitride material.
Further, the ceramic base is rotary structure.
Further, the upper end on pure iron magnetic conduction top is bent to central axes direction.
Further, the upper end on pure iron magnetic conduction top extends to the top of the wall surface upper end in the diamond channel,
Form a round hole.
Further, the diameter of the round hole is greater than the internal diameter in the diamond channel, is less than the diamond channel
Outer diameter.
Further, pure iron magnetic conduction top and pure iron magnetic conduction chassis are made of DT4C material.
Further, pure iron magnetic conduction chassis is rotary structure.
Further, the permanent magnet is made of rare earth samarium-cobalt permanent-magnetic material.
Compared with prior art, a kind of low-power cylinder hall thruster of diamond wall surface of the invention has as follows
The utility model has the advantages that
(1) reduce wall surface sputtering: channel wall takes diamond wall surface material, may make what plasma bombarded wall surface
It influences to reduce, facilitates the service life for promoting propeller.
(2) can greatly improve thruster mechanical strength: satellite can undergo impact vibration etc. one during launching successfully
Serial harsh environment, relative to ceramic wall surface material, the application of diamond can be obviously improved the shock proof ability of complete machine,
Improve mechanical strength.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, this other feature, purpose
It will be become more apparent upon with advantage:
Fig. 1 is a kind of structural schematic diagram of the low-power cylinder hall thruster of diamond wall surface of the invention；
Fig. 2 is the structure in diamond channel in a kind of low-power cylinder hall thruster of diamond wall surface of the invention
Schematic diagram.
Wherein, 1 be permanent magnet, 2-1 is pure iron magnetic conduction top, 2-2 is pure iron magnetic conduction chassis, 3 is anode, 4 is ceramic bottom
Seat, 5 are diamond channel.
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, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Referring to Fig.1 shown in-Fig. 2, the present invention provides a kind of low-power cylinder hall thrusters of diamond wall surface
One embodiment, comprising: permanent magnet 1, pure iron magnetic conduction top 2-1, pure iron magnetic conduction chassis 2-2, anode 3, ceramic base 4 and diamond
Channel 5,
Permanent magnet 1, pure iron magnetic conduction top 2-1 and diamond channel 5 are annular element and coaxial,
Pure iron magnetic conduction top 2-1, permanent magnet 1 and pure iron magnetic conduction chassis 2-2 are from top to bottom sequentially connected composition cavity, pure iron
The center of magnetic conduction chassis 2-2 has upwardly extended a rotary supporting part along central axes, and ceramic base 4 is within the cavity, and ceramic bottom
Seat 4 is rotationally connected with rotary supporting part top, and anode 3 is mounted on ceramic base 4, and diamond channel 5 is mounted on ceramic base 4
Outer rim upper surface.
Specifically, the principle of the present invention is in inheriting tradition cylinder hall thruster structure basis, using annular
Permanent magnet 1 and pure iron magnetic conduction top 2-1 and pure iron magnetic conduction chassis 2-2 form magnetic circuit, and the wall surface in diamond channel 5 can effectively subtract
It is gently corroded caused by the bombardment of wall surface material as energetic ion, increases the service life of propeller, on the other hand, diamond
Introduce the mechanical strength for being remarkably improved propeller.The present invention generally axially symmetric structure.
Shown in referring to Fig.1, in the preferred embodiment of this part, 4 center of ceramic base has upwardly extended one along central axes and has dashed forward
Portion out, forms mounting groove between protruding portion and diamond channel 5, anode 3 is mounted in mounting groove.
Specifically, the presence of protruding portion, can make self-assembling formation one between protruding portion and the inner wall in diamond channel 5
Annular mounting groove, the annular mounting groove can be used for being clamped limit to anode 3, prevent it from damaging because of the vibration of entire thruster
It is bad.Anode 3 also has the function of guiding working medium jet stream other than providing high pressure.
3, anode are annular element as rotary structure, and anode 3 is sleeved on outside protruding portion, and protruding portion further will
Anode 3 is fixed on ceramic base 4, and anode 3 is made to be combined stabilization with ceramic base 4.
Shown in referring to Fig.1, in the preferred embodiment of this part, the mounting groove bottom of ceramic base 4 is provided with for the installation of anode 3
Through-hole.
Specifically, there are two relatively centrosymmetric anode rods, anode 3 can pass through two anode rods for tool below anode 3
It assigns in through-holes, is fixed on ceramic base 4, be fastened on anode 3 further on ceramic base 4, prevent its vibration.
In the preferred embodiment of this part, ceramic base 4 is made of boron nitride material.
Specifically, ceramic base 4 is made of boron nitride material, electronics is increased at magnetic mirror by the conduction of nearly wall
Ionization rate.
Shown in referring to Fig.1, in the preferred embodiment of this part, ceramic base 4 is rotary structure.
Shown in referring to Fig.1, in the preferred embodiment of this part, the upper end of pure iron magnetic conduction top 2-1 is curved to central axes direction
Folding.
Shown in referring to Fig.1, in the preferred embodiment of this part, it is logical that the upper end of pure iron magnetic conduction top 2-1 extends to diamond
The top of the wall surface upper end in road 5 forms a round hole.
Specifically, pure iron magnetic conduction top 2-1 is a bending member, the upper end is extended to above the wall in diamond channel 5.
Shown in referring to Fig.1, in the preferred embodiment of this part, pure iron magnetic conduction top 2-1 and pure iron magnetic conduction chassis 2-2 are
DT4C material is made.
Specifically, pure iron magnetic conduction top 2-1 and pure iron magnetic conduction chassis 2-2 are made of DT4C material, as leading in magnetic circuit
The trend of magnetic part control channel internal magnetic field.
Shown in referring to Fig.1, in the preferred embodiment of this part, pure iron magnetic conduction chassis 2-2 is rotary structure.
In the preferred embodiment of this part, permanent magnet 1 is made of rare earth samarium-cobalt permanent-magnetic material.
Specifically, permanent magnet 1 is loop configurations, axial charging is all made of rare earth samarium-cobalt permanent-magnetic material, can be in higher temperature
Lower guarantee is not demagnetized.
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 various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (11)
1. a kind of low-power cylinder hall thruster of diamond wall surface, comprising: permanent magnet (1), pure iron magnetic conduction top (2-
1), pure iron magnetic conduction chassis (2-2), anode (3), ceramic base (4) and diamond channel (5), which is characterized in that
The permanent magnet (1), pure iron magnetic conduction top (2-1) and the diamond channel (5) are annular element and coaxial,
Pure iron magnetic conduction top (2-1), the permanent magnet (1) and pure iron magnetic conduction chassis (2-2) are from top to bottom sequentially connected structure
At cavity, the center on pure iron magnetic conduction chassis (2-2) has upwardly extended a rotary supporting part, the ceramic base along central axes
(4) it is located in the cavity, and the ceramic base (4) is rotationally connected with the rotary supporting part top, anode (3) peace
On ceramic base (4), the diamond channel (5) is mounted on the outer rim upper surface of the ceramic base (4).
2. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 1, which is characterized in that institute
It states ceramic base (4) center and has upwardly extended a protruding portion, shape between the protruding portion and the diamond channel (5) along central axes
At mounting groove, the anode (3) is mounted in the mounting groove.
3. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 2, which is characterized in that institute
The mounting groove bottom for stating ceramic base (4) is provided with the through-hole installed for the anode (3).
4. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 3, which is characterized in that institute
Ceramic base (4) is stated to be made of boron nitride material.
5. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 4, which is characterized in that institute
Stating ceramic base (4) is rotary structure.
6. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 1, which is characterized in that institute
The upper end for stating pure iron magnetic conduction top (2-1) is bent to central axes direction.
7. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 6, which is characterized in that institute
State pure iron magnetic conduction top (2-1) upper end extend to the diamond channel (5) wall surface upper end top, it is round to form one
Hole.
8. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 7, which is characterized in that institute
The diameter for stating round hole is greater than the internal diameter of the diamond channel (5), is less than the outer diameter of the diamond channel (5).
9. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 1, which is characterized in that institute
Pure iron magnetic conduction top (2-1) and pure iron magnetic conduction chassis (2-2) is stated to be made of DT4C material.
10. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 9, which is characterized in that
Pure iron magnetic conduction chassis (2-2) is rotary structure.
11. a kind of low-power cylinder hall thruster of diamond wall surface according to claim 1, which is characterized in that
The permanent magnet (1) is made of rare earth samarium-cobalt permanent-magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146374.7A CN109826768B (en) | 2019-02-27 | 2019-02-27 | Cylindrical hall thrustor of low power of diamond wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146374.7A CN109826768B (en) | 2019-02-27 | 2019-02-27 | Cylindrical hall thrustor of low power of diamond wall |
Publications (2)
| Publication Number | Publication Date |
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| CN109826768A true CN109826768A (en) | 2019-05-31 |
| CN109826768B CN109826768B (en) | 2020-04-24 |
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| CN201910146374.7A Active CN109826768B (en) | 2019-02-27 | 2019-02-27 | Cylindrical hall thrustor of low power of diamond wall |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020014845A1 (en) * | 2000-04-14 | 2002-02-07 | Yevgeny Raitses | Cylindrical geometry hall thruster |
| DE19900437B4 (en) * | 1999-01-11 | 2009-04-23 | Ehret, Hans-P. | Method and device for ion implantation in solids and / or for coating solid surfaces and the use of methods and apparatus |
| US20120217876A1 (en) * | 2011-02-25 | 2012-08-30 | Trustees Of Princeton University | Systems and Methods for Cylindrical Hall Thrusters with Independently Controllable Ionization and Acceleration Stages |
| CN106351811A (en) * | 2016-09-09 | 2017-01-25 | 北京航空航天大学 | Low-power cylinder-type electromagnetic plasma thruster with adjustable magnetic field |
-
2019
- 2019-02-27 CN CN201910146374.7A patent/CN109826768B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19900437B4 (en) * | 1999-01-11 | 2009-04-23 | Ehret, Hans-P. | Method and device for ion implantation in solids and / or for coating solid surfaces and the use of methods and apparatus |
| US20020014845A1 (en) * | 2000-04-14 | 2002-02-07 | Yevgeny Raitses | Cylindrical geometry hall thruster |
| US20120217876A1 (en) * | 2011-02-25 | 2012-08-30 | Trustees Of Princeton University | Systems and Methods for Cylindrical Hall Thrusters with Independently Controllable Ionization and Acceleration Stages |
| CN106351811A (en) * | 2016-09-09 | 2017-01-25 | 北京航空航天大学 | Low-power cylinder-type electromagnetic plasma thruster with adjustable magnetic field |
Non-Patent Citations (2)
| Title |
|---|
| 李青曼，王平阳，徐宗琦: "金刚石对霍尔推力器通道壁面抗溅射性能的影响", 《中国空间科学技术》 * |
| 赵杰，唐德礼，程昌明，耿少飞: "低功率圆柱形阳极层离子源的性能研究", 《核聚变与等离子体物理》 * |
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| CN109826768B (en) | 2020-04-24 |
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