CN107762754A - A kind of integral packaging structure suitable for micro- electric thruster - Google Patents
A kind of integral packaging structure suitable for micro- electric thruster Download PDFInfo
- Publication number
- CN107762754A CN107762754A CN201711157985.9A CN201711157985A CN107762754A CN 107762754 A CN107762754 A CN 107762754A CN 201711157985 A CN201711157985 A CN 201711157985A CN 107762754 A CN107762754 A CN 107762754A
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- Prior art keywords
- node
- micro
- thruster
- power supply
- switch
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 17
- 108091092878 Microsatellite Proteins 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 206010068052 Mosaicism Diseases 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 210000003765 sex chromosome Anatomy 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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 invention provides a kind of integral packaging structure suitable for micro- electric thruster, including power control unit and thruster；Power control unit includes power supply, inductance coil, switch and current divider；Thruster includes negative electrode, anode, dead ring and magnet coil；The first end of inductance coil and the positive pole of power supply are connected, and the second end of inductance coil is connected with first node；The first end of switch is connected with first node, and the second end of switch is connected with section point；The first end of current divider is connected with section point, and the second end of current divider is connected with the 3rd node, the 3rd node ground connection；The negative pole of power supply is connected with section point；The first end of magnet coil is connected with first node, and the second end of magnet coil and the first end of anode are connected, and the second end of anode is connected with dead ring；The first end of negative electrode is connected with the 3rd node, and the second end of negative electrode is connected with dead ring.Integral packaging structure provided by the invention has the advantages of electrodeless property and small volume.
Description
Technical field
The present invention relates to satellite technology field, and in particular to a kind of integral packaging structure suitable for micro- electric thruster.
Background technology
Electric thruster is to be sprayed working medium from thruster inner high speed using electric energy, so as to produce thrust.Due to than
The advantages of leaping high, electric thruster will be widely used in satellite platform.Micro- electric propulsion of microsatellite platform application, typically
Using solid as propellant, it eliminates special propellant receptacle and supplies module, reduces the volume of module.Micro- electric propulsion pushes away
Power is typically in tens μ N or so, and due to having the advantages that simple in construction, reliability and specific impulse are high, such electric thruster future can be with
Applied to deep-space detection field.
The operation principle of electric propulsion technology is to realize conversion of the electric energy to kinetic energy by large power supply, so as to realize thrust
The high specific impulse of device.However, large power supply is intended to equip Large Copacity, the power module of large volume.Simultaneously as satellite
(particularly microsatellite) own vol is small, and internal components are more, compact-sized, cause effective space resources nervous, make electricity
Thruster and power module need to be installed separately.Such layout type needs to realize by cable connection, and module volume is larger,
So electric thruster itself electrode sex chromosome mosaicism is present, also have impact on the operability of whole star structure.
The content of the invention
For in the prior art the defects of, the present invention provide a kind of integral packaging structure suitable for micro- electric thruster,
The integral packaging structure suitable for micro- electric thruster that invention provides has the advantages of electrodeless property and small volume.
To achieve the above object, the invention provides following technical scheme：
The invention provides a kind of integral packaging structure suitable for micro- electric thruster, including：Power control unit and push away
Power device；The power control unit includes：Power supply, inductance coil, switch and current divider；The thruster includes：Negative electrode, sun
Pole, dead ring and magnet coil；
Wherein, the first end of the inductance coil is connected with the positive pole of the power supply, the second end of the inductance coil with
First node connects；The first end of the switch is connected with the first node, the second end of the switch and the described second section
Point connection；
The first end of the current divider is connected with the section point, and the second end and the 3rd node of the current divider connect
Connect, the 3rd node ground connection；The negative pole of the power supply is connected with the section point；
The first end of the magnet coil is connected with the first node, the second end and the anode of the magnet coil
First end connection, the second end of the anode is connected with the dead ring；
The first end of the negative electrode is connected with the 3rd node, and the second end of the negative electrode is connected with the dead ring.
As shown from the above technical solution, the integral packaging structure provided by the invention suitable for micro- electric thruster, electricity is pushed away
Power device and power module carry out integrative packaging, solve the problems, such as that traditional electric propulsion module volume is larger, realize micro- electricity and push away
Enter the miniaturization of module, reduce the construction weight of micro- electric propulsion module itself, improve micro- electric propulsion module in ground general assembly
The operability in stage, while cause micro- electric propulsion module that electrical interface polarity problems are not present.It is applicable due to provided by the invention
There is the advantages of electrodeless property and small volume in the integral packaging structure of micro- electric thruster, it is thus possible to meet microsatellite platform
Use, it is ensured that microsatellite stable attitude control in-orbit for a long time, improve the reliability of whole star.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the circuit connection signal for the integral packaging structure suitable for micro- electric thruster that one embodiment of the invention provides
Figure.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
One embodiment of the invention provides a kind of integral packaging structure suitable for micro- electric thruster, referring to Fig. 1, the one
Encapsulating structure includes：Power control unit and thruster；The power control unit includes：Power supply 1, inductance coil 2, switch 3
With current divider 8；The thruster includes：Anode 4, negative electrode 6, dead ring 5 and magnet coil 7；
Wherein, the first end of the inductance coil 2 is connected with the positive pole of the power supply 1, the second end of the inductance coil 2
It is connected with first node；The first end of the switch 3 be connected with the first node, it is described switch 3 the second end and described the
Two nodes connect；
The first end of the current divider 8 is connected with the section point, and the second end and the 3rd node of the current divider 8 connect
Connect, the 3rd node ground connection；The negative pole of the power supply 1 is connected with the section point；
The first end of the magnet coil 7 is connected with the first node, the second end and the sun of the magnet coil 7
The first end connection of pole 4, the second end of the anode 4 is connected with the dead ring 5；
The first end of the negative electrode 6 is connected with the 3rd node, and the second end of the negative electrode 6 connects with the dead ring 5
Connect.
Referring to Fig. 1, it is to be understood that the inductance coil 2, power supply 1, switch 3 and current divider 8 are referred to as power supply list
Member, current divider 8 are used to measure power source supplies DC, charged when switch 3 closes for inductance coil 2, to the external world when switch 3 disconnects
Electric discharge produces instantaneous high pressure, once extraneous circuit turn-on, then can outwardly provide what electric current was stored until inductance coil 2
Untill electric energy release completely.And thruster includes negative electrode 6, anode 4, dead ring 5 and magnet coil 7, negative electrode 6 and anode 4 by
It can puncture insulating ring surface to high voltage transient electric discharge and turn on, form plasma in the cathode surface of ablation, make in the magnetic line of force
With small, plasma is focused acceleration and sprayed inside thruster, so as to produce thrust.
It can be seen that the integral packaging structure suitable for micro- electric thruster that the present embodiment provides, by electric thruster and power supply mould
Block carries out integrated setting, significantly simplifies electric thruster layout and using process, improves the reliable operation of electric thruster
Property, so as to overcome micro- electric propulsion module body caused by electric thruster and power module need to be installed separately in the prior art
The drawbacks of electrode sex chromosome mosaicism itself be present in the larger and electric thruster of product.
Seen from the above description, the integral packaging structure suitable for micro- electric thruster that the present embodiment provides, by electric thrust
Device and power module carry out integrated setting, solve the problems, such as that traditional electric propulsion module volume is larger, realize micro- electric propulsion
The miniaturization of module, the construction weight of micro- electric propulsion module itself is reduced, improve micro- electric propulsion module in ground general assembly rank
The operability of section, while cause micro- electric propulsion module electrical interface polarity problems to be no longer present.Because what the present embodiment provided fits
Integral packaging structure for micro- electric thruster has the advantages of electrodeless property and small volume, it is thus possible to meets that microsatellite is put down
Platform uses, it is ensured that microsatellite stable attitude control in-orbit for a long time, improves the reliability of whole star.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (1)
- A kind of 1. integral packaging structure suitable for micro- electric thruster, it is characterised in that including：Power control unit and thrust Device；The power control unit includes：Power supply, inductance coil, switch and current divider；The thruster includes：Negative electrode, anode, Dead ring and magnet coil；Wherein, the first end of the inductance coil is connected with the positive pole of the power supply, the second end and first of the inductance coil Node connects；The first end of the switch is connected with the first node, and the second end and the section point of the switch connect Connect；The first end of the current divider is connected with the section point, and the second end of the current divider is connected with the 3rd node, institute State the 3rd node ground connection；The negative pole of the power supply is connected with the section point；The first end of the magnet coil is connected with the first node, and the of the second end of the magnet coil and the anode One end is connected, and the second end of the anode is connected with the dead ring；The first end of the negative electrode is connected with the 3rd node, and the second end of the negative electrode is connected with the dead ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157985.9A CN107762754A (en) | 2017-11-20 | 2017-11-20 | A kind of integral packaging structure suitable for micro- electric thruster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157985.9A CN107762754A (en) | 2017-11-20 | 2017-11-20 | A kind of integral packaging structure suitable for micro- electric thruster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107762754A true CN107762754A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711157985.9A Pending CN107762754A (en) | 2017-11-20 | 2017-11-20 | A kind of integral packaging structure suitable for micro- electric thruster |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554927A (en) * | 2008-04-08 | 2009-10-14 | 杨松涛 | Propulsion device |
| US20110258981A1 (en) * | 2010-04-06 | 2011-10-27 | The George Washington University | Micro-cathode thruster and a method of increasing thrust output for a micro-cathode thruster |
| CN102630277A (en) * | 2009-09-17 | 2012-08-08 | 斯奈克玛公司 | Hall-effect plasma thruster |
| CN105351161A (en) * | 2015-10-16 | 2016-02-24 | 中国航天科技集团公司第九研究院第七七一研究所 | Hall electric propulsion engine cathode pulse voltage ignition power source and method |
| CN105626410A (en) * | 2015-12-25 | 2016-06-01 | 上海空间推进研究所 | Plume neutralizer of space electric thruster |
| CN106742073A (en) * | 2016-11-21 | 2017-05-31 | 北京控制工程研究所 | A kind of differential of the arc cathodic discharge micro electric propulsion die |
| CN207437283U (en) * | 2017-11-20 | 2018-06-01 | 北京千乘探索科技有限公司 | A kind of integral packaging structure suitable for micro- electric thruster |
-
2017
- 2017-11-20 CN CN201711157985.9A patent/CN107762754A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554927A (en) * | 2008-04-08 | 2009-10-14 | 杨松涛 | Propulsion device |
| CN102630277A (en) * | 2009-09-17 | 2012-08-08 | 斯奈克玛公司 | Hall-effect plasma thruster |
| US20110258981A1 (en) * | 2010-04-06 | 2011-10-27 | The George Washington University | Micro-cathode thruster and a method of increasing thrust output for a micro-cathode thruster |
| CN105351161A (en) * | 2015-10-16 | 2016-02-24 | 中国航天科技集团公司第九研究院第七七一研究所 | Hall electric propulsion engine cathode pulse voltage ignition power source and method |
| CN105626410A (en) * | 2015-12-25 | 2016-06-01 | 上海空间推进研究所 | Plume neutralizer of space electric thruster |
| CN106742073A (en) * | 2016-11-21 | 2017-05-31 | 北京控制工程研究所 | A kind of differential of the arc cathodic discharge micro electric propulsion die |
| CN207437283U (en) * | 2017-11-20 | 2018-06-01 | 北京千乘探索科技有限公司 | A kind of integral packaging structure suitable for micro- electric thruster |
Non-Patent Citations (1)
| Title |
|---|
| 朱荻等: "微机电系统与微细加工技术", 31 May 2008, 哈尔滨工程大学出版社, pages: 177 * |
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