CN104210676B - A kind of spacecraft initiatively mends magnetic system - Google Patents
A kind of spacecraft initiatively mends magnetic system Download PDFInfo
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- CN104210676B CN104210676B CN201410439499.6A CN201410439499A CN104210676B CN 104210676 B CN104210676 B CN 104210676B CN 201410439499 A CN201410439499 A CN 201410439499A CN 104210676 B CN104210676 B CN 104210676B
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Abstract
The present invention provides a kind of spacecraft and initiatively mends magnetic system, and this system comprises coil, feed circuit and pilot circuit; Feed circuit are used for coil with electric current, and it comprises the n road electric current corresponding with spacecraft operation on orbit state and exports, and this n road electric current exports and is respectively coil offer n different electric current; Coil produces required magnetic field after powering on; Control unit is for receiving spacecraft instruction, and feed circuit produce corresponding electric current to coil power supply to control to send switch instruction. Large Spacecraft develop in, spacecraft provided by the present invention initiatively mend magnetic system weight ratio commonly use magnetic patch much smaller, reduce the launch cost of spacecraft. In addition, the spacecraft of the present invention initiatively mends magnetic system can provide the compensating field that can control, and meets the remanent magnetism requirement under Large Spacecraft different operating state.
Description
Technical field
The present invention relates to spacecraft Application Areas, in particular to the magnetic compensation system of a kind of spacecraft.
Background technology
In Space Vehicle System, after certain equipment or some device power, the magnetic field of generation causes spacecraft remanent magnetism excessive. But, spacecraft in orbit time, its remanent magnetism produced can not be excessive, otherwise can affect the stable of spacecraft attitude and control. The remanent magnetism of spacecraft can be measured by magnetic pilot system. If remanent magnetism is excessive, it is necessary to revised by magnetic compensation. Current spacecraft is mended magnetic and is adopted one or more permanent magnet (i.e. magnetic patch) to realize.
For large-scale spacecraft, its power consumption is big, needs the magnetic field revised very big during operation on orbit, it is necessary to magnetic patch just many, add the weight of spacecraft, launch cost certainly will be added. In addition, current magnetic patch mend magnetic optimum can only revise a kind of working order of spacecraft under magnetic field. Along with spacecraft development, its operation on orbit will have more working order, and after state adjustment, spacecraft changes of magnetic field is obvious. Therefore, magnetic patch mends magnetic beach to meet Large Spacecraft and the development of later stage spacecraft.
Summary of the invention
The defect adopting permanent magnet cannot adapt to the change of spacecraft working order in prior art to solve, it can be spacecraft initiatively provides remanent magnetism to compensate in-orbit system that the present invention provides a kind of, the working order change of spacecraft can not only be adapted to, also reduce the weight of space flight.
In order to achieve the above object, this invention takes following technical scheme:
A kind of spacecraft initiatively mends magnetic system, it is characterised in that: this system comprises coil, feed circuit and pilot circuit; Described feed circuit connect spacecraft, accept the power supply that spacecraft provides, and described feed circuit comprise the n road electric current corresponding with spacecraft operation on orbit state and export, and this n road electric current exports and is respectively coil offer n different electric current; Described coil connects described feed circuit, produces magnetic field benefit magnetic needed for corresponding with spacecraft operation on orbit state after powering on; Control unit is for receiving spacecraft instruction signal, and output switch instruction signal is to feed circuit, the switch exported with the electric current corresponding with spacecraft working order controlled in described feed circuit.
Described spacecraft initiatively mends the principle of work of magnetic system: when spacecraft working order is adjusted to working order 1, the pilot circuit of instruction signal to spacecraft Active Compensation system is sent by spacecraft, pilot circuit can send switch instruction signal and make feed circuit outward current I1, can produce the compensating field needed for working order 1 in coil after electric current I 1. The same manner, spacecraft in working order n time, pilot circuit can send switch instruction signal and make feed circuit outward current IN, through electric current I in coilNAfter can produce the compensating field needed for working order n.
The invention has the beneficial effects as follows: Large Spacecraft develop in, spacecraft provided by the present invention initiatively mend magnetic system weight ratio commonly use magnetic patch much smaller, reduce the launch cost of spacecraft. In addition, the spacecraft of the present invention initiatively mends magnetic system can provide the compensating field that can control, and meets the remanent magnetism requirement under Large Spacecraft different operating state.
Accompanying drawing explanation
The spacecraft that Fig. 1 is the present invention initiatively mends magnetic system structure figure.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment the present invention is further described.
The present invention proposes a kind of spacecraft and initiatively mend magnetic system, as shown in Figure 1, a kind of spacecraft initiatively mends magnetic system, and this system comprises coil, feed circuit and pilot circuit; Described feed circuit connect spacecraft, accept the power supply that spacecraft provides, and described feed circuit comprise n road the electric current corresponding with spacecraft operation on orbit state and export, and this n road electric current output is respectively coil and provides n different electric current; Described coil connects described feed circuit, produces magnetic field benefit magnetic needed for corresponding with spacecraft operation on orbit state after powering on; Control unit is for receiving spacecraft instruction signal, and output switch instruction signal is to feed circuit, the switch exported with the electric current corresponding with spacecraft working order controlled in described feed circuit.
The spacecraft of the present invention initiatively mends the principle of work of magnetic system: assume that spacecraft operation on orbit has n working order, when spacecraft working order is adjusted to working order 1, sending the pilot circuit of instruction signal to spacecraft Active Compensation system by spacecraft, pilot circuit can send switch instruction signal and make feed circuit outward current I1, through electric current I in coil1After can produce the compensating field needed for working order 1. The same manner, spacecraft in working order n time, pilot circuit can send switch instruction signal and make feed circuit outward current IN, through electric current I in coilNAfter can produce the compensating field needed for working order n. So just can according to spacecraft different operating state, it is provided that controllable current. Coil produces required magnetic field after by electric current.
During spacecraft operation on orbit, it is necessary to complete spatial intersection, to tasks such as ground observation, data down transmissions. Each task starts, and by terrestrial station by ground based antenna emitting radio frequency signal, the control module of spacecraft is by the signal of its antenna satellite receiver. After control module receives signal, analyzed and transform and give Star Service module. Finally, it is necessary to providing switching on and shutting down instruction by Star Service module is unified, switching on and shutting down instruction will make the equipment of this task start working or close.
When spacecraft starts a certain task in-orbit, namely operation on orbit state changes. Star Service module, when providing switching on and shutting down instruction, is also given simultaneously and is initiatively mended magnetic system directive. Initiatively mending after magnetic system, control circuit obtains instruction, pilot circuit regulates feed circuit to the outward current of coil, thus produces dynamic correction-compensation remanent magnetism.
When spacecraft operation on orbit, its working order changes, when the remanent magnetism that equipment in spacecraft produces there occurs change, initiatively mending the steering order that magnetic system also receives the working order from satellite receiver and adjusts, the pilot circuit initiatively mending magnetic system is supplied to feed circuit by power supply module that its feed circuit change spacecraftI 0 ��V 0 , revise required compensation remanent magnetism dynamically.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. a spacecraft initiatively mends magnetic system, it is characterised in that: this system comprises coil, feed circuit and pilot circuit; Described feed circuit connect spacecraft, accept the power supply that spacecraft provides, and described feed circuit comprise the n road electric current corresponding with spacecraft operation on orbit state and export, and this n road electric current exports and is respectively coil offer n different electric current; Described coil connects described feed circuit, produces magnetic field benefit magnetic needed for corresponding with spacecraft operation on orbit state after powering on; Control unit is for receiving spacecraft instruction signal, and output switch instruction signal is to feed circuit, the switch exported with the electric current corresponding with spacecraft working order controlled in described feed circuit; When spacecraft operation on orbit, its working order changes, when the remanent magnetism that equipment in spacecraft produces there occurs change, the described steering order initiatively mended magnetic system and also receive the working order from satellite receiver and adjust, described pilot circuit is supplied to the I of feed circuit by the power supply module that described feed circuit change spacecraft0��V0, revise required compensation remanent magnetism dynamically.
2. spacecraft according to claim 1 initiatively mends magnetic system, it is characterized in that: described spacecraft is initiatively mended the principle of work of magnetic system and is: when spacecraft working order is adjusted to working order 1, sending the pilot circuit of instruction signal to spacecraft Active Compensation system by spacecraft, pilot circuit can send switch instruction signal and make feed circuit outward current I1, through electric current I in coil1After can produce the compensating field needed for working order 1; The same manner, spacecraft in working order n time, pilot circuit can send switch instruction signal and make feed circuit outward current In, through electric current I in coilnAfter can produce the compensating field needed for working order n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439499.6A CN104210676B (en) | 2014-09-01 | 2014-09-01 | A kind of spacecraft initiatively mends magnetic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410439499.6A CN104210676B (en) | 2014-09-01 | 2014-09-01 | A kind of spacecraft initiatively mends magnetic system |
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| CN104210676A CN104210676A (en) | 2014-12-17 |
| CN104210676B true CN104210676B (en) | 2016-06-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104699072B (en) * | 2015-01-30 | 2017-04-19 | 航天东方红卫星有限公司 | Residual magnetism control expansion satellite solar wing and test verification method thereof |
| CN110562488B (en) * | 2019-08-16 | 2021-05-04 | 南京理工大学 | Power supply and control circuit applied to cube star brake sail |
| CN113212811B (en) * | 2021-06-24 | 2023-03-24 | 中国科学院微小卫星创新研究院 | Thermal control system compatible with dynamic magnetic compensation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10302717A1 (en) * | 2003-01-23 | 2004-08-05 | Astrium Gmbh | Optical receiver used in a spacecraft has the incident emission received measured by sensors to provide input to controller input |
| CN102901939B (en) * | 2012-10-16 | 2014-12-17 | 北京航空航天大学 | Precise control method of atom spin SERF (Self-Exchange Relaxation-Free) state for stabilizing atom spin device |
| CN103438877B (en) * | 2013-09-02 | 2016-03-30 | 北京航空航天大学 | A kind of inertia based on SERF atomic spin effect and magnetic field integral measurement method |
| CN103600853B (en) * | 2013-11-25 | 2016-04-27 | 北京卫星环境工程研究所 | For the method that magnetic moment of spacecraft compensates |
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Address after: 518000 whole building of satellite building, 61 Gaoxin South Jiudao, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Aerospace Dongfanghong Satellite Co.,Ltd. Address before: 518057 room 910, block D, Shenzhen Institute of space technology innovation, South 10th Road, Science Park, Nanshan District, Shenzhen City, Guangdong Province Patentee before: AEROSPACE DONGFANGHONG DEVELOPMENT Ltd. |
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