CN107380486A - Three axles integrate micro- flywheel structure - Google Patents
Three axles integrate micro- flywheel structure Download PDFInfo
- Publication number
- CN107380486A CN107380486A CN201710580800.9A CN201710580800A CN107380486A CN 107380486 A CN107380486 A CN 107380486A CN 201710580800 A CN201710580800 A CN 201710580800A CN 107380486 A CN107380486 A CN 107380486A
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- China
- Prior art keywords
- micro
- flywheel
- single shaft
- axle
- bracing struts
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
- B64G1/28—Guiding or controlling apparatus, e.g. for attitude control using inertia or gyro effect
- B64G1/285—Guiding or controlling apparatus, e.g. for attitude control using inertia or gyro effect using momentum wheels
Abstract
The present invention relates to a kind of three axles to integrate micro- flywheel structure, comprising：Three bracing struts, it is orthogonal frame-type structure, there is provided three axles integrate the three-dimensional orthogonal vector direction of micro- flywheel structure；Three micro- flywheels of single shaft, it is fixedly mounted on three bracing struts and is arranged orthogonally to each other, while exports angular momentum on three-dimensional normal axis；Three pieces of side radiating plate-fins, are fixedly installed on three bracing struts and are arranged orthogonally to each other, the outside for being individually enclosed in the micro- flywheel of each single shaft, and the micro- flywheel of isolation single shaft simultaneously realizes radiating.The present invention can export angular momentum respectively on three-dimensional normal axis, and improve the pointing accuracy of 3 orthogonal directions, have the characteristics of quick lightweight, modularization, assembling, high integration.
Description
Technical field
Micro- flywheel structure is integrated the present invention relates to a kind of three axles, in particular to one kind forms three micro- flywheels of single shaft
Three axles integrate micro- flywheel structure, belong to microsatellite technical field.
Background technology
In the prior art, satellite reaches higher attitude control accuracy using momenttum wheel, and this is also small-sized spacecraft attitude
One of preferred option of control.At present, in the Modern Small satellite developed and launched both at home and abroad, it is substantially all using satellite with Active Magnetic Control
With counteraction flyback control technology.For the principle of " fast, good, province " possessed by small-sized spacecraft, in the development to flywheel
Cheng Zhong, it is also desirable to the characteristics of it can have more preferable lightweight, and modularization is quick to assemble, and cost is cheap.
Based on above-mentioned, the present invention proposes that a kind of three axles integrate micro- flywheel structure, utilizes the micro- flywheel module collection of three single shafts
Into can effectively reduce component count, mitigate weight, assemble simple and fast, cost is cheap.
The content of the invention
It is an object of the invention to provide a kind of three axles to integrate micro- flywheel structure, can export angular motion respectively on three-dimensional normal axis
Amount, and improve the pointing accuracy of 3 orthogonal directions, there is the characteristics of lightweight, modularization, assembling quick, high integration.
To achieve the above object, the present invention provides a kind of three axles and integrates micro- flywheel structure, comprising：Three bracing struts, it is orthogonal
Frame-type structure, there is provided three axles integrate the three-dimensional orthogonal vector direction of micro- flywheel structure；Three micro- flywheels of single shaft, are fixedly mounted on
On three bracing struts and it is arranged orthogonally to each other, while exports angular momentum on three-dimensional normal axis；Three pieces of side radiating plate-fins, fixed setting
On three bracing struts and the outside for being individually enclosed in the micro- flywheel of each single shaft is arranged orthogonally to each other, the micro- flywheel of isolation single shaft is simultaneously real
Now radiate.
Three axle of the present invention integrates micro- flywheel structure, also includes：Controller assemblies, respectively with the micro- flywheel of each single shaft
Connection is fixedly mounted on the inwall of side radiating plate-fin to control its rotation.
Three described bracing struts provide mechanical interface and hot interface to satellite.
The micro- flywheel of described single shaft includes：Electric machine support；Motor, it is fixedly mounted on electric machine support；Wheel body, pass through axle sleeve
With the output axis connection of motor, and pass through locking nut axial restraint.
The micro- flywheel of described single shaft also includes：Cover body, is located at the outside of wheel body, and passes through screw thread between electric machine support
It is fixedly connected, isolates wheel body and realize radiating.
Described electric machine support uses spoke type structure.
By being fixedly connected between the electric machine support and three bracing struts by the micro- flywheel of single shaft, fix the micro- flywheel of single shaft
It is arranged on three bracing struts.
Further, described electric machine support provides mechanical interface and hot interface, three described axle branch to the micro- flywheel of single shaft
Frame provides the mechanical interface to match and hot interface to the micro- flywheel of each single shaft.
Multiple radiating blocks and/or multiple reinforcements are provided with side radiating plate-fin described in every piece.
In summary, three axle provided by the present invention integrates micro- flywheel structure, by using integration, the design of assemblyization
Thought, 3 micro- flywheels of single shaft are arranged on 3 on three orthogonal bracing struts, assembly forms three axles and integrates micro- flywheel structure.
Compared with prior art, its advantage and beneficial effect are：Realize and export angular momentum respectively on three-dimensional normal axis
Micro- flywheel structure, the pointing accuracy of 3 orthogonal directions is improved, be easy to whole star to be laid out, save spatial distribution；Using pin-connected panel knot
Structure, the micro- flywheel of single shaft of all directions is general, shortens lead time and manufacturing cost, and can be separately as the micro- flywheel of single shaft
Use；Be particularly suitable for use in the growth requirement of microsatellite.
Brief description of the drawings
Fig. 1 integrates the monolithically fabricated figure of micro- flywheel structure for three axles in the present invention；
Fig. 2 integrates the overall schematic of micro- flywheel structure for three axles in the present invention；
Fig. 3 integrates the diagrammatic cross-section of micro- flywheel structure for three axles in the present invention；
Fig. 4 is the structural representation of the micro- flywheel of single shaft in the present invention.
Embodiment
Below in conjunction with Fig. 1~Fig. 4, a preferred embodiment of the present invention is described in detail.
As shown in FIG. 1 to 3, micro- flywheel structure is integrated for three axle provided by the present invention, it is applied to weight hundreds of
Microsatellite within kilogram, realize the fast reserve of the microsatellite and high-precision load；Three axle integrates micro- flywheel knot
Structure includes：Three bracing struts 1, it is orthogonal frame-type structure, to orthogonal x-axis, y-axis and z-axis, this 3 axial directions establish contact,
Ensure that three axles integrate the direction vector of micro- flywheel structure, effectively reduce error caused by assembling；Three lists being arranged orthogonally to each other
The micro- flywheel 4 of axle, is fixedly installed on three bracing struts 1, respectively positioned at this 3 axial directions of orthogonal x-axis, y-axis and z-axis, simultaneously
Angular momentum is exported on 3 orthogonal axial directions, makes it have interchangeability, rapid assembling can be realized；Three pieces each other just
The side radiating plate-fin 5 set is handed over, is fixedly installed on three bracing struts 1, and is individually enclosed in the outside of the micro- flywheel 4 of each single shaft, it is right
The outer isolation micro- flywheel 4 of single shaft also has radiating effect in order to avoid it is interfered by external object while playing a protective role.
Three axle of the present invention integrates micro- flywheel structure, also includes：Controller assemblies 2, it is micro- winged with each single shaft respectively
The connection of wheel 4 and is fixedly mounted on the inwall of side radiating plate-fin 5 to control it to rotate or stop, can will be hot caused by controller assemblies 2
Amount quickly and easily exports, and whole three axle is integrated micro- flywheel structure and is operated within the scope of reasonable temperature.
In the present embodiment, described controller assemblies are made up of circuit board and circuit board support, and circuit board passes through circuit
Board mount and screw are fixedly mounted on the inwall of side radiating plate-fin 5, and are connected by radiating block with power tube, strengthen circuit board
Heat-sinking capability.Due to using mounting surface and connector external tapping of the side radiating plate-fin 5 as controller assemblies 2 so that three axle collection
Compact overall structure into micro- flywheel structure is reasonable.
Three described bracing struts 1 provide mechanical interface and hot interface to satellite.
In a preferred embodiment of the invention, the micro- flywheel 4 of described single shaft uses the micro- flywheel of 80mNms single shafts, i.e., every
The individual micro- flywheel 4 of single shaft can export 80mNms angular momentum.The micro- flywheel of 80mNms single shafts is modular product, also can individually be made
Used for the micro- flywheel of single shaft.
As shown in figure 4, the micro- flywheel 4 of described single shaft includes：Electric machine support 12；Motor 13, is fixedly mounted on electric machine support
On 12；Wheel body 8, by the output axis connection of axle sleeve 10 and motor 13, and by the axial restraint of locking nut 9, for increasing electricity
The intensity and reliability of the rotatable parts such as machine 13, wheel body 8.
Wherein, described axle sleeve 10 is set on the output shaft of motor 13, and outer spiral shell is provided with the outer wall of the axle sleeve 10
Line, for the rotary inertia for being attached and providing with wheel body 8 needed for output.
Also, using the integral type brushless DC servomotor with multiple flying experience, it is directed to described motor 13
Space environment design, has longer working life and good space environment adaptability, and with good antivibration with
And impact resistance.
Further, the micro- flywheel 4 of described single shaft also includes：Cover body 11, it is located at the outside of wheel body 8, and and electric machine support
Connection is threadably secured between 12, wheel body 8 is played a protective role, and radiant heat transfer ability can be strengthened, there is auxiliary
The effect of radiating.
In a preferred embodiment of the invention, described electric machine support 12 have base and bracket function, it is necessary to
The motor 13 and the grade rotatable parts of wheel body 8 of the micro- flywheel 4 of single shaft are supported, therefore is considered as spoke type structure, is not reducing its knot
On the premise of structure rigidity and intensity, own wt can be effectively reduced, reaches light-weighted effect.
By being fixedly connected between the bracing strut 1 of electric machine support 12 and three by the micro- flywheel 4 of single shaft so that single shaft is micro- to fly
Wheel 4 is fixedly installed on three bracing struts 1.
Further, described electric machine support 12 provides mechanical interface and hot interface, three described axles to the micro- flywheel of single shaft 4
Support 1 provides the mechanical interface to match and hot interface to the micro- flywheel of each single shaft 4, so as to ensure that the micro- flywheel 4 of 3 single shafts has
Unified reference for assembling, improves the angular-momentum vector precision of its rotatable parts output.
Multiple radiating blocks are provided with side radiating plate-fin 5 described in every piece, and positioned at the centre of side radiating plate-fin 5, can
Effective sinking path is provided to for example powerful MOSFET element.
Multiple reinforcements are provided with side radiating plate-fin 5 described in every piece, and positioned at the peripheral part of side radiating plate-fin 5, can
Improve structural strength and rigidity.
In summary, three axle provided by the present invention integrates micro- flywheel structure, has advantages below and beneficial effect：
The 1st, the modularization assemble of the micro- flywheel of each single shaft is provided using three bracing struts, and ensure 3 orthogonal directions
Installation accuracy, component count is reduced, simplify assembling link, improved and adjust dress efficiency, mitigate main screw lift；
2nd, using three s functions are realized after the integrated assembly of the micro- flywheel of the single shaft that can be used alone, accomplish one-object-many-purposes, save
Cost；
3rd, using side radiating plate-fin, both solved the heat dissipation problem in small space, its reasonability is demonstrated by heat balance test；
Reach Highgrade integration again, and effectively increase mechanical strength and rigidity；
4th, cost is effectively reduced.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of three axles integrate micro- flywheel structure, it is characterised in that include：
Three bracing struts, it is orthogonal frame-type structure, there is provided three axles integrate the three-dimensional orthogonal vector direction of micro- flywheel structure；
Three micro- flywheels of single shaft, it is fixedly mounted on three bracing struts and is arranged orthogonally to each other, while defeated on three-dimensional normal axis
Go out angular momentum；
Three pieces of side radiating plate-fins, are fixedly installed on three bracing struts and are arranged orthogonally to each other, and be individually enclosed in the micro- flywheel of each single shaft
Outside, the micro- flywheel of isolation single shaft simultaneously realizes radiating.
2. three axle as claimed in claim 1 integrates micro- flywheel structure, it is characterised in that also comprising controller assemblies, respectively with
Each micro- flywheel connection of single shaft is fixedly mounted on the inwall of side radiating plate-fin to control its rotation.
3. three axle as claimed in claim 1 integrates micro- flywheel structure, it is characterised in that three described bracing struts are provided satellite
Mechanical interface and hot interface.
4. three axle as claimed in claim 1 integrates micro- flywheel structure, it is characterised in that the micro- flywheel of described single shaft includes：
Electric machine support；
Motor, it is fixedly mounted on electric machine support；
Wheel body, by the output axis connection of axle sleeve and motor, and pass through locking nut axial restraint.
5. three axle as claimed in claim 4 integrates micro- flywheel structure, it is characterised in that the micro- flywheel of described single shaft is also comprising cover
Body, is located at the outside of wheel body, and is threadably secured and is connected between electric machine support, isolates wheel body and realizes radiating.
6. three axle as claimed in claim 4 integrates micro- flywheel structure, it is characterised in that described electric machine support uses spoke type
Structure.
7. three axle as claimed in claim 4 integrates micro- flywheel structure, it is characterised in that by by the motor branch of the micro- flywheel of single shaft
It is fixedly connected between frame and three bracing struts, the micro- flywheel of single shaft is fixedly installed on three bracing struts.
8. three axle as claimed in claim 7 integrates micro- flywheel structure, it is characterised in that described electric machine support is micro- to single shaft to fly
Wheel provides mechanical interface and hot interface, three described bracing struts the micro- flywheel of each single shaft is provided the mechanical interface to match with
And hot interface.
9. three axle as claimed in claim 1 integrates micro- flywheel structure, it is characterised in that is set on the side radiating plate-fin described in every piece
There are multiple radiating blocks and/or multiple reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580800.9A CN107380486A (en) | 2017-07-17 | 2017-07-17 | Three axles integrate micro- flywheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580800.9A CN107380486A (en) | 2017-07-17 | 2017-07-17 | Three axles integrate micro- flywheel structure |
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| Publication Number | Publication Date |
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| CN107380486A true CN107380486A (en) | 2017-11-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710580800.9A Pending CN107380486A (en) | 2017-07-17 | 2017-07-17 | Three axles integrate micro- flywheel structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816899A (en) * | 2019-11-10 | 2020-02-21 | 北京机械设备研究所 | Novel triaxial micro flywheel device |
| CN110884692A (en) * | 2019-11-10 | 2020-03-17 | 北京机械设备研究所 | Novel micro flywheel device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008080888A (en) * | 2006-09-26 | 2008-04-10 | Japan Aerospace Exploration Agency | Non- contact type rigid body rotation control device |
| CN103612775A (en) * | 2013-11-20 | 2014-03-05 | 西北工业大学 | Multifunctional load-bearing structure for miniature satellites |
| CN104158340A (en) * | 2013-05-14 | 2014-11-19 | 上海新跃仪表厂 | Novel three-shaft integrated micro flywheel |
-
2017
- 2017-07-17 CN CN201710580800.9A patent/CN107380486A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008080888A (en) * | 2006-09-26 | 2008-04-10 | Japan Aerospace Exploration Agency | Non- contact type rigid body rotation control device |
| CN104158340A (en) * | 2013-05-14 | 2014-11-19 | 上海新跃仪表厂 | Novel three-shaft integrated micro flywheel |
| CN103612775A (en) * | 2013-11-20 | 2014-03-05 | 西北工业大学 | Multifunctional load-bearing structure for miniature satellites |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816899A (en) * | 2019-11-10 | 2020-02-21 | 北京机械设备研究所 | Novel triaxial micro flywheel device |
| CN110884692A (en) * | 2019-11-10 | 2020-03-17 | 北京机械设备研究所 | Novel micro flywheel device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |