CN103835906B - The multistage cusped magnetic field plasma thruster of modularization - Google Patents
The multistage cusped magnetic field plasma thruster of modularization Download PDFInfo
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- CN103835906B CN103835906B CN201410114043.2A CN201410114043A CN103835906B CN 103835906 B CN103835906 B CN 103835906B CN 201410114043 A CN201410114043 A CN 201410114043A CN 103835906 B CN103835906 B CN 103835906B
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Abstract
The multistage cusped magnetic field plasma thruster of modularization, relating to a kind of plasma thruster, the present invention is for solving existing thruster complex structure, and cost is expensive, thruster size can not regulate for different magnetic field configurations, the problem of thruster limit magnetic field position deformation. The present invention comprises bolt web plate, multiple modularization permanent-magnetism iron, multiple connection aluminium ring, multiple adjustment connection aluminium ring, multiple positioning aluminium ring, multiple annular heat radiation cone, multiple magnetic guiding loop, multiple cooperation ring, anode ventilation breather, ceramic sleeve, scatterer, location heat transfer cylinder, back up pad, ceramic cover plate and anode strongback; Described scatterer goes out multiple heat radiation support plate from axle cylinder to external irradiation; Described ceramic sleeve 12 is cylindrical cavity; Modularization permanent-magnetism iron is cirque structure, and multiple modularization permanent-magnetism iron is along the axially coaxial superposition connecting aluminium ring, and a bolt web plate is fixed at two ends respectively; The magnetizing direction of two often adjacent modularization permanent-magnetism iron 4 is contrary. The present invention is used in thruster.
Description
Technical field
The present invention relates to a kind of plasma thruster.
Background technology
Multistage cusped magnetic field plasma thruster is that the novel electricity of a class that the current world based on hall thruster emerges advances concept. Thruster discharge channel wall face is generally made up of pottery, surrounds by multiple permanent magnet iron, two adjacent permanent magnet opposite polarity. At the upstream arrangement anode of passage. Working medium sprays into discharge channel by air feed pipeline. Outside thruster exports, settle hollow cathode, for ionizing neutral gas and neutralize the ion of passage ejection. Most of region except magnetic tip, magnetic field is mainly and is parallel to wall face, and electronics is difficult to cross magnetic field and contacts with wall face; Most advanced and sophisticated at magnetic, the magnetic mirror effect that electronics is produced by radial magnetic field is hindered effectively, avoids and the collision in wall face. Therefore under the effect of cusped magnetic field, electronics is in bond does spiral motion along magnetic line of force, and the high speed to-and-fro movement of electronics at two magnetic tips enhances the ability of ionization xenon atom. Electrons produces conduction anode motion by collision in the process, and enters one-level, and there are higher voltage and xenon atom density in there. Final electronics arrives anode, to form discharge loop. The ion produced by electron ionization xenon atom accelerates ejection under the effect of axial electric field, to produce thrust.
By this kind of multilevel design, it is to increase the specific ionization of thruster, and acceleration zone is separated with ionized region, thus improves efficiency. The cusped magnetic field bit-type that multistage cusped magnetic field plasma thruster adopts can confining plasma to greatest extent, avoid plasma body to the sputter erosion in wall face, ensure that thruster has the very long life-span.
Present multistage cusped magnetic field plasma propeller raising specific ionization, control plasma accelerates direction, reducing plume angle of divergence aspect is all by regulating different magnetic field position shape thus change the motion of electronics in passage and distribution realizes, and therefore magnetic field configuration is the key factor of the performance perameters such as the specific ionization of impact multistage cusped magnetic field plasma thruster, thrust, specific impulse, the plume angle of divergence. Due to electronics in passage, the physical processes such as the change carried out under the effect of electromagnetic field between xenon atom and plasma body and motion are very complicated, therefore magnetic field is not yet obtained in the world to the quantitative relationship of motor performance parameter influence, it is thus desirable to do a large amount of experimental analysis affecting laws for different magnetic field configurations. In research magnetic field configuration in the influence process of engine operation state, the structure of engine needs the size according to permanent magnet combination to accomplish to facilitate adjustable, simplifies structure simultaneously as far as possible and alleviates weight.
Summary of the invention
The present invention seeks to solve existing thruster complex structure, cost costliness, the size of thruster can not regulate for different magnetic field configurations, the problem of thruster limit magnetic field position deformation, it provides the multistage cusped magnetic field plasma thruster of a kind of modularization.
The multistage cusped magnetic field plasma thruster of modularization of the present invention, it comprises two bolt web plates, multiple modularization permanent-magnetism iron, multiple connection aluminium ring, multiple adjustment connection aluminium ring, multiple positioning aluminium ring, multiple annular heat radiation cone, multiple magnetic guiding loop, multiple cooperation ring, anode ventilation breather, ceramic sleeve, scatterer, location heat transfer cylinder, back up pad, ceramic cover plate and anode strongback;
Modularization permanent-magnetism iron is cirque structure, and multiple modularization permanent-magnetism iron is along the axially coaxial superposition connecting aluminium ring, and a bolt web plate is fixed at two ends respectively;
The external diameter of modularization permanent-magnetism iron matches with the inner ring surface of positioning aluminium ring, and the thickness of positioning aluminium ring is identical with the thickness of modularization permanent-magnetism iron;
The outer ring surface of positioning aluminium ring matches with the inner ring surface being connected aluminium ring, connects aluminium ring and is provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring is identical with the thickness of modularization permanent-magnetism iron;
The inner ring surface being connected aluminium ring matches the outer ring surface of positioning aluminium ring with regulating, and regulates connection aluminium ring to be provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring is regulated to be the 1/4 of modularization permanent-magnetism iron thickness;
Regulating and connect aluminium ring and be connected the alternately arranged connection of aluminium ring, regulate six through holes and six the through hole one_to_one corresponding being connected on aluminium ring that connect on aluminium ring, concentric coordinates;
Two bolt web plates are annular, and the bolt web plate at top abuts against on the upper end disc connecting aluminium ring, and the bolt web plate of bottom abuts against on the lower end disc connecting aluminium ring; The big radius of bolt web plate is provided with six rings to evenly distributed through hole, and the size of each big radius through hole and position are all identical with the through hole connected on aluminium ring, and six big radius through holes and six the through hole one_to_one corresponding being connected on aluminium ring, concentric cooperation; The little radius of bolt web plate is provided with six rings to evenly distributed threaded hole, and the threaded hole of the bolt web plate at top is for coordinating with the through hole on ceramic cover plate, and the threaded hole of the bolt web plate of bottom is for coordinating with the through hole in back up pad;
Annular heat radiation cone is equal with the internal diameter connecting aluminium ring, and the internal diameter of annular heat radiation cone matches with the outer ring surface of positioning aluminium ring, and matches with the upper surface being connected aluminium ring in lower surface, matches with the bolt web plate lower surface at top in upper surface; Annular heat radiation cone is provided with six rings to evenly distributed through hole, and the size of each through hole is identical, annular heat radiation cone each through hole upper and each the through hole one_to_one corresponding being connected on aluminium ring, and concentric coordinates; The thickness of annular heat radiation cone is identical with the thickness of modularization permanent-magnetism iron;
Ceramic cover plate is plane transitional cone, and plane is provided with three through holes, and three through holes coordinate with three in the bolt web plate threaded hole of top respectively;
Ceramic sleeve is embedded in the inside of modularization permanent-magnetism iron annulus, and ceramic sleeve is through the centre hole of two bolt web plates, and top coordinates with anode ventilation breather near ceramic cover plate, bottom;
Magnetic guiding loop and cooperation ring are all installed between two modularization permanent-magnetism iron, and the internal diameter of magnetic guiding loop and the major diameter fit of ceramic sleeve, the external diameter of magnetic guiding loop and the minor diameter fit coordinating ring, coordinate the external diameter of ring and the minor diameter fit being connected aluminium ring;
Being equipped with three threaded holes on the front end face of scatterer and aft end face, three threaded holes of front end face are bolted with back up pad and coordinate, and three threaded holes of aft end face are bolted with anode strongback and coordinate;
The external diameter of location heat transfer cylinder and the diameter compatible of scatterer close, and the front end face of location heat transfer cylinder is provided with three threaded holes, is connected by bolt and anode, and the aft end face of location heat transfer cylinder is provided with three threaded holes, is connected with anode strongback by bolt.
The invention has the beneficial effects as follows: by changing the structure of modularization permanent-magnetism iron, thus produce multiple different magnetic field configuration, same thruster under the shape of different magnetic field position is tested, different magnetic field distribution can be probed into the affecting laws of thruster performance perameter, thruster performance perameter comprises specific ionization, plasma accelerates direction, plume district parameter etc., and the size of the thruster of the present invention can carry out a shape adjustment for different magnetic field, probe into Distribution of Magnetic Field to the experimentation of thruster performance perameter affecting laws in save a large amount of permanent magnet material and stupalith, shelling machine fully considers the mentality of designing of modularization, simple and reliable for structure, it is convenient to regulate, compare the multiple different size shell of production and save lot of materials tooling cost, considerably reduce cost.
Accompanying drawing explanation
Fig. 1 is the assembling diagrammatic cross-section of the multistage cusped magnetic field plasma thruster of modularization of the present invention; Fig. 2 and Fig. 3 is the assembling appearance schematic diagram of the multistage cusped magnetic field plasma thruster of modularization of the present invention; Fig. 4 is the appearance schematic diagram of bolt web plate of the present invention; Fig. 5 is that multiple modularization permanent-magnetism iron of the present invention coordinates appearance schematic diagram; Fig. 6 is the appearance schematic diagram of connection aluminium ring of the present invention; Fig. 7 is the appearance schematic diagram regulating connection aluminium ring of the present invention; Fig. 8 is the appearance schematic diagram of positioning aluminium ring of the present invention; Fig. 9 is the appearance schematic diagram of annular heat radiation cone of the present invention; Figure 10 is the appearance schematic diagram of magnetic guiding loop of the present invention; Figure 11 is the appearance schematic diagram of cooperation ring of the present invention; Figure 12 is the appearance schematic diagram of anode ventilation breather of the present invention; Figure 13 is the appearance schematic diagram of ceramic sleeve of the present invention; Figure 14 is the appearance schematic diagram of heronsbill scatterer of the present invention; Figure 15 is the appearance schematic diagram of heat transfer cylinder in location of the present invention; Figure 16 is the appearance schematic diagram of back up pad of the present invention; Figure 17 is the appearance schematic diagram of ceramic cover plate of the present invention; Figure 18 is the appearance schematic diagram of anode strongback of the present invention.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1-Figure 17, the multistage cusped magnetic field plasma thruster of modularization described in present embodiment, it comprises two bolt web plates 3, multiple modularization permanent-magnetism iron 4, multiple connection aluminium ring 5, multiple adjustment connection aluminium ring 6, multiple positioning aluminium ring 7, multiple annular heat radiation cone 8, multiple magnetic guiding loop 9, multiple cooperation ring 10, anode ventilation breather 11, ceramic sleeve 12, scatterer 13, location heat transfer cylinder 14, back up pad 15, ceramic cover plate 16 and anode strongback 17;
Modularization permanent-magnetism iron 4 is cirque structure, and multiple modularization permanent-magnetism iron 4 is along the axially coaxial superposition connecting aluminium ring 5, and a bolt web plate 3 is fixed at two ends respectively;
The external diameter of modularization permanent-magnetism iron 4 matches with the inner ring surface of positioning aluminium ring 7, and the thickness of positioning aluminium ring 7 is identical with the thickness of modularization permanent-magnetism iron 4;
The outer ring surface of positioning aluminium ring 7 matches with the inner ring surface being connected aluminium ring 5, connects aluminium ring 5 and is provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring 5 is identical with the thickness of modularization permanent-magnetism iron 4;
The inner ring surface being connected aluminium ring 6 matches the outer ring surface of positioning aluminium ring 7 with regulating, and regulates connection aluminium ring 6 to be provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring 6 is regulated to be the 1/4 of modularization permanent-magnetism iron 4 thickness;
Regulating and connect aluminium ring 6 and be connected the alternately arranged connection of aluminium ring 5, regulate six through holes and six the through hole one_to_one corresponding being connected on aluminium ring 5 that connect on aluminium ring 6, concentric coordinates;
Two bolt web plates 3 are annular, and the bolt web plate 3 at top abuts against on the upper end disc connecting aluminium ring 5, and the bolt web plate 3 of bottom abuts against on the lower end disc connecting aluminium ring 5; The big radius of bolt web plate 3 is provided with six rings to evenly distributed through hole, the size of each big radius through hole is all identical with the through hole connected on aluminium ring 5 with position, and six big radius through holes and six the through hole one_to_one corresponding being connected on aluminium ring 5, concentric coordinates; The little radius of bolt web plate 3 is provided with six rings to evenly distributed threaded hole, and the threaded hole of the bolt web plate 3 at top is for coordinating with the through hole on ceramic cover plate 16, and the threaded hole of the bolt web plate 3 of bottom is for coordinating with the through hole in back up pad 15;
Annular heat radiation cone 8 is equal with the internal diameter connecting aluminium ring 5, and the internal diameter of annular heat radiation cone 8 matches with the outer ring surface of positioning aluminium ring 7, and matches with the upper surface being connected aluminium ring 5 in lower surface, matches with bolt web plate 3 lower surface at top in upper surface; Annular heat radiation cone 8 is provided with six rings to evenly distributed through hole, and the size of each through hole is identical, each through hole and each the through hole one_to_one corresponding being connected on aluminium ring 5 on annular heat radiation cone 8, and concentric coordinates; The thickness of annular heat radiation cone 8 is identical with the thickness of modularization permanent-magnetism iron 4;
Ceramic cover plate 16 is plane transitional cone, and plane is provided with three through holes, and three through holes coordinate with three in bolt web plate 3 threaded hole of top respectively;
Ceramic sleeve 12 is embedded in the inside of modularization permanent-magnetism iron 4 annulus, and ceramic sleeve 12 is through the centre hole of two bolt web plates 3, and top coordinates with anode ventilation breather 11 near ceramic cover plate 16, bottom;
Magnetic guiding loop 9 and cooperation ring 10 are all installed between two modularization permanent-magnetism iron 4, and the internal diameter of magnetic guiding loop 9 and the major diameter fit of ceramic sleeve 12, the external diameter of magnetic guiding loop 9 and the minor diameter fit coordinating ring 10, coordinate the external diameter of ring 10 and the minor diameter fit being connected aluminium ring 5;
Being equipped with three threaded holes on the front end face of scatterer 13 and aft end face, three threaded holes of front end face are bolted with back up pad 15 and coordinate, and three threaded holes of aft end face are bolted with anode strongback 17 and coordinate;
The external diameter of location heat transfer cylinder 14 and the diameter compatible of scatterer 13 close, the front end face of location heat transfer cylinder 14 is provided with three threaded holes, being connected by bolt and anode, the aft end face of location heat transfer cylinder 14 is provided with three threaded holes, is connected with anode strongback 17 by bolt.
In present embodiment, the cavity at heat transfer cylinder 14 center, location can pass through air feed pipeline.
In present embodiment, described back up pad 15 there are many places to get through hole, also have many places to beat threaded hole. By running through the long threaded rod of engine in outer ring through hole, being bolted, be bolted between interior ring through hole and scatterer 13 between middle ring through hole and bolt web plate 3, there is threaded hole the top of back up pad 15, carries out bolt with cathode anchor and is connected. By anode ventilation breather 11, the location heat transfer parts such as cylinder 14 and ceramic sleeve 12 in the center large through-hole of back up pad 15.
Embodiment two: present embodiment is described below in conjunction with Fig. 5, enforcement mode one is described further by present embodiment, described modularization permanent-magnetism iron 4 is along the axial charging connecting aluminium ring 5, and the magnetizing direction of two often adjacent modularization permanent-magnetism iron 4 is contrary.
Embodiment three: present embodiment is described below in conjunction with Fig. 5, enforcement mode one or enforcement mode two are described further by present embodiment, and described modularization permanent-magnetism iron 4 is more than or equal to 3 groups and be less than or equal 20 groups.
Embodiment four: present embodiment is described below in conjunction with Fig. 5, enforcement mode one, enforcement mode two or enforcement mode three are described further by present embodiment, the internal diameter of described modularization permanent-magnetism iron 4 is 40mm, axial thickness is 8mm, and external diameter is of a size of: is more than or equal to 64mm and is less than or equals 88mm.
Embodiment five: present embodiment is described below in conjunction with Fig. 1, enforcement mode one, enforcement mode two, enforcement mode three or enforcement mode four are described further by present embodiment, and described modularization permanent-magnetism iron 4 adopts samarium and cobalt to make according to the ratio of 2:17.
Embodiment six: present embodiment is described below in conjunction with Fig. 1, enforcement mode one is described further by present embodiment, near a bolt web plate 3 on the upper end disc of described connection aluminium ring 5, connect on the lower end disc of aluminium ring 5 near another bolt web plate 3, the installation direction of two bolt web plates 3 is contrary, does not have the side of chamfering towards connection aluminium ring 5 on inner ring surface.
Embodiment seven: present embodiment is described below in conjunction with Fig. 1, enforcement mode one is described further by present embodiment, and it is tighten fixing by short bolt that three through holes of described ceramic cover plate 16 coordinate with three in bolt web plate 3 threaded hole of top.
Embodiment eight: present embodiment is described below in conjunction with Figure 14, enforcement mode one is described further by present embodiment, and described scatterer 13 goes out multiple heat radiation support plate from axle cylinder to external irradiation.
Embodiment nine: present embodiment is described below in conjunction with Figure 13, enforcement mode one is described further by present embodiment, described ceramic sleeve 12 is cylindrical cavity, and the gap left between the outer side wall of ceramic sleeve 12 and cylindrical cavity is greater than 0.5mm.
Embodiment ten: present embodiment is described below in conjunction with Figure 13, enforcement mode nine is described further by present embodiment, the outer side wall of described ceramic sleeve 12 is of a size of: is greater than 30mm, is less than or equals 39mm, the sidewall of cylindrical cavity is identical with the thickness of diapire, is and is greater than 2mm and is less than 5mm.
Embodiment 11: present embodiment is described below in conjunction with Figure 13, enforcement mode one, enforcement mode nine or enforcement mode ten are described further by present embodiment, and the axial length of described ceramic sleeve 12 is 150mm.
Embodiment 12: present embodiment is described below in conjunction with Fig. 8, enforcement mode one is described further by present embodiment, and described positioning aluminium ring 7 is made up of aluminium or permanent magnet.
Embodiment 13: present embodiment is described below in conjunction with Figure 10, enforcement mode one is described further by present embodiment, and the axial thickness of described magnetic guiding loop 9 is 2mm, and external diameter is of a size of: is more than or equal to 50mm and is less than or equals 88mm.
Embodiment 14: present embodiment is described below in conjunction with Figure 10, enforcement mode one is described further by present embodiment, and described magnetic guiding loop 9 adopts pure iron to make.
Embodiment 15: enforcement mode one is described further by present embodiment, described connection aluminium ring 5, regulate connect aluminium ring 6, positioning aluminium ring 7, annular heat radiation cone 8, coordinate ring 10, anode ventilation breather 11, heronsbill scatterer 13, location heat transfer cylinder 14 and anode strongback 17 all adopt aluminum alloy materials to make.
Embodiment 16: enforcement mode one is described further by present embodiment, described ceramic sleeve 12 and ceramic cover plate 16 all adopt boron nitride material to make.
Embodiment 16: enforcement mode one is described further by present embodiment, described two bolt web plates 3, anode ventilation breather 11 and back up pad 15 all adopt stainless material to make.
The present invention is by carrying out matched combined assembling to the modularization permanent-magnetism iron of different quantities different size, so that it may to obtain the different magnetic field position shape that different permanent magnet combination produces.
Connection aluminium ring of the present invention can be realized by the number of increase and decrease connection aluminium ring according to the size adjusting number of modularization permanent-magnetism iron, engine length, is regulated the number connecting aluminium ring that the length of engine can carry out adjustment in a small amount by increase and decrease. Serious being heated in magnetic guiding loop place can be carried out efficiently radiates heat by annular heat radiation cone. Connection aluminium ring between two bolt web plates, adjustment connection aluminium ring, annular heat radiation cone are linked up by the shell of engine by bolt, positioning aluminium ring and modularization permanent-magnetism iron are in connection aluminium ring, adjustment connection aluminium ring, annular heat radiation are bored, and two ends are fastening by bolt web plate. When adjustment module permanent magnet, the combined situation of positioning aluminium ring changes thereupon.
The connection aluminium ring of the present invention, positioning aluminium ring, adjustment connect aluminium ring, annular heat radiation cone and modularization permanent-magnetism iron and all have employed modular design, and fixed sturcture is simple and reliable, according to different permanent magnet assembled dimension requirements, is convenient to adjust engine length.
Claims (8)
1. the multistage cusped magnetic field plasma thruster of modularization, it is characterized in that, it comprises two bolt web plates (3), multiple modularization permanent-magnetism iron (4), multiple connection aluminium ring (5), multiple adjustment connects aluminium ring (6), multiple positioning aluminium ring (7), multiple annular heat radiation cone (8), multiple magnetic guiding loop (9), multiple cooperation ring (10), anode ventilation breather (11), ceramic sleeve (12), scatterer (13), location heat transfer cylinder (14), back up pad (15), ceramic cover plate (16) and anode strongback (17),
Modularization permanent-magnetism iron (4) is cirque structure, and multiple modularization permanent-magnetism iron (4) is along the axially coaxial superposition connecting aluminium ring (5), and a bolt web plate (3) is fixed at two ends respectively;
The external diameter of modularization permanent-magnetism iron (4) matches with the inner ring surface of positioning aluminium ring (7), and the thickness of positioning aluminium ring (7) is identical with the thickness of modularization permanent-magnetism iron (4);
The outer ring surface of positioning aluminium ring (7) matches with the inner ring surface being connected aluminium ring (5), connects aluminium ring (5) and is provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring (5) is identical with the thickness of modularization permanent-magnetism iron (4);
The inner ring surface being connected aluminium ring (6) matches the outer ring surface of positioning aluminium ring (7) with regulating, and regulates connection aluminium ring (6) to be provided with six rings to evenly distributed through hole, and the size of each through hole is identical; The thickness connecting aluminium ring (6) is regulated to be the 1/4 of modularization permanent-magnetism iron (4) thickness;
Regulating and connect aluminium ring (6) and be connected aluminium ring (5) alternately arranged connection, regulate six through holes and six the through hole one_to_one corresponding being connected on aluminium ring (5) that connect on aluminium ring (6), concentric coordinates;
Two bolt web plates (3) are annular, the bolt web plate (3) at top abuts against on the upper end disc connecting aluminium ring (5), and the bolt web plate (3) of bottom abuts against on the lower end disc connecting aluminium ring (5); The big radius of bolt web plate (3) is provided with six rings to evenly distributed through hole, the size of each big radius through hole is all identical with the through hole connected on aluminium ring (5) with position, and six big radius through holes and six the through hole one_to_one corresponding being connected on aluminium ring (5), concentric coordinates; The little radius of bolt web plate (3) is provided with six rings to evenly distributed threaded hole, the threaded hole of the bolt web plate (3) at top is for coordinating with the through hole on ceramic cover plate (16), and the threaded hole of the bolt web plate (3) of bottom is for coordinating with the through hole in back up pad (15);
Annular heat radiation cone (8) is equal with the internal diameter connecting aluminium ring (5), the internal diameter of annular heat radiation cone (8) matches with the outer ring surface of positioning aluminium ring (7), and lower surface matches with the upper surface being connected aluminium ring (5), match with bolt web plate (3) lower surface at top in upper surface; Annular heat radiation cone (8) is provided with six rings to evenly distributed through hole, and the size of each through hole is identical, annular heat radiation cone (8) each through hole upper and each the through hole one_to_one corresponding being connected on aluminium ring (5), and concentric coordinates; The thickness of annular heat radiation cone (8) is identical with the thickness of modularization permanent-magnetism iron (4);
Ceramic cover plate (16) is plane transitional cone, and plane is provided with three through holes, and three through holes coordinate with three in bolt web plate (3) threaded hole of top respectively;
Ceramic sleeve (12) is embedded in the inside of modularization permanent-magnetism iron (4) annulus, ceramic sleeve (12) is through the centre hole of two bolt web plates (3), top coordinates with anode ventilation breather (11) near ceramic cover plate (16), bottom;
Magnetic guiding loop (9) and cooperation ring (10) are all installed between two modularization permanent-magnetism iron (4), the internal diameter of magnetic guiding loop (9) and the major diameter fit of ceramic sleeve (12), the external diameter of magnetic guiding loop (9) and the minor diameter fit coordinating ring (10), coordinate the external diameter of ring (10) and the minor diameter fit being connected aluminium ring (5);
The front end face of scatterer (13) and aft end face are equipped with three threaded holes, three threaded holes of front end face are bolted with back up pad (15) and coordinate, and three threaded holes of aft end face are bolted with anode strongback (17) and coordinate;
The external diameter of location heat transfer cylinder (14) and the diameter compatible of scatterer (13) close, the front end face of location heat transfer cylinder (14) is provided with three threaded holes, it is connected by bolt and anode, the aft end face of location heat transfer cylinder (14) is provided with three threaded holes, is connected with anode strongback (17) by bolt.
2. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterized in that, described modularization permanent-magnetism iron (4) is along the axial charging connecting aluminium ring (5), and the magnetizing direction of two often adjacent modularization permanent-magnetism iron (4) is contrary.
3. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterised in that, described modularization permanent-magnetism iron (4) is more than or equal to 3 groups and be less than or equal 20 groups.
4. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterized in that, the internal diameter of described modularization permanent-magnetism iron (4) is 40mm, and axial thickness is 8mm, and external diameter is of a size of: is more than or equal to 64mm and is less than or equals 88mm.
5. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterized in that, near a bolt web plate (3) on the upper end disc of described connection aluminium ring (5), connect on the lower end disc of aluminium ring (5) near another bolt web plate (3), the installation direction of two bolt web plates (3) is contrary, does not have the side of chamfering towards connection aluminium ring (5) on inner ring surface.
6. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterized in that, described ceramic sleeve (12) is cylindrical cavity, and the gap left between the outer side wall of ceramic sleeve (12) and cylindrical cavity is greater than 0.5mm.
7. the multistage cusped magnetic field plasma thruster of modularization according to claim 1 or 6, it is characterised in that, the axial length of described ceramic sleeve (12) is 150mm.
8. the multistage cusped magnetic field plasma thruster of modularization according to claim 1, it is characterised in that, the axial thickness of described magnetic guiding loop (9) is 2mm, and external diameter is of a size of: is more than or equal to 50mm and is less than or equals 88mm.
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| CN104033346B (en) * | 2014-06-25 | 2016-08-24 | 哈尔滨工业大学 | A kind of multistage cusped magnetic field plasma thruster with passage introduction by magnetic field structure |
| CN104265590B (en) * | 2014-08-26 | 2017-08-29 | 北京航空航天大学 | A kind of porous cathode complementary field magnetopasma power thrust device |
| CN104675650A (en) * | 2015-01-23 | 2015-06-03 | 哈尔滨工业大学 | Hollow anode for plasma thruster of cusped magnetic field |
| CN106382195B (en) * | 2016-12-05 | 2018-09-07 | 哈尔滨工业大学 | The combined thruster of cusp field-Hall |
| CN113266542B (en) * | 2021-06-29 | 2022-05-17 | 哈尔滨工业大学 | Hall thruster magnetic circuit heat radiation structure |
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| CN103835906A (en) | 2014-06-04 |
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