CN105470621A - Antenna deploying mechanism for cubesat - Google Patents
Antenna deploying mechanism for cubesat Download PDFInfo
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- CN105470621A CN105470621A CN201610017247.3A CN201610017247A CN105470621A CN 105470621 A CN105470621 A CN 105470621A CN 201610017247 A CN201610017247 A CN 201610017247A CN 105470621 A CN105470621 A CN 105470621A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/084—Pivotable antennas
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Abstract
The invention discloses an antenna deploying mechanism for a cubesat. The antenna deploying mechanism comprises a bottom plate, two UHF band antenna deploying sub-mechanisms and two VHF band antenna deploying sub-mechanisms, wherein the UHF band antenna deploying sub-mechanisms and the VHF band antenna deploying sub-mechanisms are the same in structure; a wire routing hole is formed in the center of the bottom plate; the two UHF band antenna deploying sub-mechanisms and the two VHF band antenna deploying sub-mechanisms are arranged around the wire routing hole; the two UHF band antenna deploying sub-mechanisms are symmetrically arranged on the bottom plate at 180 degrees and are the same in deploying direction; the two VHF band antenna deploying sub-mechanisms are symmetrically arranged on the bottom plate at 180 degrees and are the same in deploying direction; and the UHF band antenna deploying sub-mechanisms and the VHF band antenna deploying sub-mechanisms are opposite in deploying direction. The antenna deploying mechanism completely meets the requirements of the cubesat on antenna miniaturization and weight reduction, is high in deploying reliability, ensures the antenna deploying success and also ensures normal communication of a satellite and the ground.
Description
Technical field
The invention belongs to a cube star technical field, particularly a kind of cube star antenna deployment mechanism.
Background technology
In recent years, along with the fast development of communication, MEMS (micro electro mechanical system), computer software, material, sensor science and technology, a cube star technical development is significantly accelerated, and a cube star is applied to the fields such as communication, remote sensing of the earth becomes possibility.Cheap cost has impelled emerging in large numbers of the interior cube star research plan of world wide.America and Europe has transmitted a large amount of cube stars, and cube star has also started starting at home.
Communication antenna is the very important subsystem of cube star, comprises communication antenna and UV communication transceiver.Antenna system is a part important in satellite system composition, it mainly realizes the intercommunication mutually on satellite and ground, and ground is in the face of the remote control of satellite and the transmission of telemetry command, therefore, whether the stability of antenna system and reliability determine satellite can successful execution preplanned mission, as can be seen here, communication antenna occupies vital status in cube star.
But because cube star volume is little, star catalogue area is little, which limits cube star can load-carrying ability, and therefore the miniaturization, lightweight etc. of communication antenna become a cube importance for star antenna research.
In order to solve the miniaturized restricted problem of cube star to antenna, effective way is exactly be a cube star design deployable antenna.The main problem of deployable antenna is then the design of development mechanism.
Also a cube design for star antenna deployment mechanism is had abroad at present.As cube star antenna deployment mechanism of ISIS design.There is following defect in this design: (1) part is scattered imperfect, and quality is large, and size is large, and the many costs of processing parts number are high; (2) junction of radome and arc storage frame adopts trapezoidal setting, easily causes in the stuck abdomen of antenna, causes satellite to lose efficacy; (3) torsion spring rotating shaft is set to screw-nut, and development system easily affects by screw-nut tightness, and tension causes torsion spring elastic failure, and pine causes screw-nut to lose efficacy excessively, causes antenna to launch unsuccessfully, and then causes satellite to lose performance; (4) antenna support laser intensity is inadequate, damage of easily wrecking; (5) burn wire system directly and extraneous contact, burning the parts such as line resistance easily affects by extraneous factor, adds burning wire system inefficacy equivalent risk.
Summary of the invention
The object of the present invention is to provide a kind of cube star antenna deployment mechanism, solve external cube of star antenna deployment mechanism size, quality at present too large, the miniaturization of cube star to antenna, the problem of lightweight requirements cannot be met, and antenna deployment mechanism reliability is too poor, easily cause antenna to launch unsuccessfully, and then cause satellite thoroughly to lose the problem of performance.
The technical solution realizing the object of the invention is: a kind of cube star antenna deployment mechanism, comprise base plate, two uhf band antennas launch sub-agencies and two VHF band antennas expansion sub-agencies, it is identical that uhf band antenna expansion sub-agencies and VHF band antenna launch sub-agencies structure, base plate center is provided with winding displacement hole, two uhf band antenna expansion sub-agencies and two VHF band antennas launch sub-agencies and arrange around winding displacement hole, two uhf band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate, and two uhf band antenna expansion sub-agencies expansion directions are identical, two VHF band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate, and two VHF band antenna expansion sub-agencies expansion directions are identical, wherein uhf band antenna expansion sub-agencies is contrary with VHF band antenna expansion sub-agencies expansion direction.
Uhf band antenna launches sub-agencies and comprises antenna stocking mechanism, antenna support mechanism and burn wire system, and antenna stocking mechanism one end open, antenna stocking mechanism outer wall is provided with burning wire system, and openend is provided with antenna support mechanism.
Antenna stocking mechanism comprises arc and stores frame, radome, the first contiguous block, the second contiguous block, flabellum and rotating shaft, arc stores frame one end outer wall and is provided with burning wire system, first contiguous block is arranged on arc and stores one end that frame is provided with burning wire system, and be connected with burning wire system outer wall, arc stores the frame other end and is provided with flabellum, flabellum is provided with rotating shaft, and flabellum sidewall is provided with the second contiguous block, and the first contiguous block and the second contiguous block are connected with a cube star main frame respectively; Radome is arranged on arc and stores in the middle part of frame, and radome and base plate lay respectively at arc and store frame both sides, and radome, arc store in the inner chamber of frame and base plate formation and place cube star antenna.
The junction that described radome, arc store frame arranges slope, and ramp angles is 30 °-60 °.
Described arc stores frame and is provided with groove, and groove and flabellum are positioned at the same side, places separating switch in groove.
Described base plate adopts pcb board.
Described antenna support mechanism comprises a day thread fixing plate, baffle plate and torsion spring, and baffle plate and base plate lay respectively at the both sides of day thread fixing plate, and a cube star antenna is fixed on day thread fixing plate; Baffle plate one end is rotationally connected by the rotating shaft of torsion spring and antenna stocking mechanism, and other end car has inclined-plane, and the end that sky thread fixing plate is corresponding is provided with inclined-plane, and described inclined-plane contacts with the first contiguous block of antenna stocking mechanism.
Described sky thread fixing plate is provided with burning string holes near the end on inclined-plane.
Described burning wire system comprises resistance protection box, nylon burning line, extension spring, extension spring fixed axis and burns line fixed axis, resistance protection box is arranged on arc and stores the outer wall that frame is provided with the first contiguous block end, first contiguous block is connected with resistance protection outer box wall, burn line fixed axis and be arranged on the first contiguous block outer wall, resistance is provided with in resistance protection box, resistance protection box is arranged with through hole, and extension spring fixed axis is arranged on arc and stores frame outer wall; Extension spring is arranged on extension spring fixed axis, and nylon burns line one end and extension spring is connected, and the other end through after the through hole of resistance protection box and the burning string holes of sky thread fixing plate, is fixed on and burns on line fixed axis successively.
Described via height, lower than resistance height in resistance protection box, ensures that nylon burns line and is close to resistance.
The present invention compared with prior art, its remarkable advantage:
(1) size of the present invention is little, quality is little, can meet completely cube star to the miniaturization of antenna, lightweight requirements, also can increase more load in cube limited quality of star specification and space, reduction launch cost, raising cube star functional density.
(2) integrality of the present invention is good, overall anti-vibration strong shock resistance, ensures that antenna system normally works.
(3) radome of antenna stocking mechanism of the present invention and the junction of arc storage frame arrange slope, prevent from, in the stuck abdomen of antenna, making satellite lose performance; Antenna stocking mechanism increases flabellum and torsion spring rotating shaft simultaneously, the torsion spring elastic failure avoiding screw-nut to cause because tension crosses pine, screw-nut lost efficacy and antenna dislocation is ejected, antenna is caused to launch unsuccessfully, make the problem that satellite lost efficacy, thus guarantee that antenna launches successfully, guarantee the proper communication between satellite and ground.
(4) burning wire system of the present invention is integrated with antenna deployment mechanism; resistance entirety is put into resistance protection box; protective resistance and circuit weld etc. do not affect by extraneous factor, and are directly symmetrical arranged through hole at resistance protection box nylon wire is passed, thus guarantee the reliability of burning wire system.
(5) cost of the present invention is low, and processing parts number reduces makes cost of manufacture significantly reduce.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention's cube star uhf band antenna deployment mechanism.
Fig. 2 is the perspective view of the present invention's cube star VHF band antenna development mechanism.
Fig. 3 is the perspective view of the present invention cube star antenna support mechanism.
Fig. 4 is the perspective view of the present invention's cube star antenna deployment mechanism.
Embodiment
Composition graphs 1 ~ Fig. 4, a kind of cube star antenna deployment mechanism, comprise base plate 28, two uhf band antennas and launch sub-agencies and two VHF band antennas expansion sub-agencies, it is identical that uhf band antenna expansion sub-agencies and VHF band antenna launch sub-agencies structure, base plate 28 center is provided with winding displacement hole, two uhf band antenna expansion sub-agencies and two VHF band antennas launch sub-agencies and arrange around winding displacement hole, two uhf band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two uhf band antenna expansion sub-agencies expansion directions are identical; Two VHF band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two VHF band antenna expansion sub-agencies expansion directions are identical; Wherein uhf band antenna expansion sub-agencies is contrary with VHF band antenna expansion sub-agencies expansion direction.
Uhf band antenna launches sub-agencies and comprises antenna stocking mechanism 25, antenna support mechanism 26 and burn wire system 27, antenna stocking mechanism 25 one end open, and antenna stocking mechanism 25 outer wall is provided with and burns wire system 27, and openend is provided with antenna support mechanism 26.
Antenna stocking mechanism 25 comprises arc and stores frame 3, radome 2, first contiguous block 13, second contiguous block 14, flabellum 4 and rotating shaft 5, arc stores frame 3 one end outer wall and is provided with burning wire system 27, first contiguous block 13 is arranged on arc and stores one end that frame 3 is provided with burning wire system 27, and be connected with burning wire system 27 outer wall, arc stores frame 3 other end and is provided with flabellum 4, flabellum 4 is provided with rotating shaft 5, the torsion spring elastic failure that flabellum 4 and rotating shaft 5 can avoid screw-nut to cause because tension of exerting oneself crosses pine, screw-nut lost efficacy and antenna dislocation is ejected, antenna is caused to launch unsuccessfully, satellite is made to lose efficacy.Flabellum 4 sidewall is provided with the second contiguous block 14, first contiguous block 13 and the second contiguous block 14 is connected with a cube star main frame respectively.Radome 2 is arranged on arc and stores in the middle part of frame 3, and radome 2 and base plate 28 lay respectively at arc and store frame 3 both sides, and radome 2, arc store in the inner chamber of frame 3 and base plate 28 formation and place cube star antenna.
The junction that radome 2, arc store frame 3 arranges slope 1, and slope 1 angle is 30 °-60 °, prevents from, in the stuck abdomen of antenna, making satellite lose performance.
Arc stores frame 3 and is provided with groove 15, and groove 15 and flabellum 4 are positioned at the same side, and place separating switch in groove 15, whether separating switch launches for measuring antenna.
Base plate 28 adopts pcb board.
Antenna support mechanism 26 comprises day thread fixing plate 19, baffle plate 24 and torsion spring, and baffle plate 24 and base plate 28 lay respectively at the both sides of day thread fixing plate 19, and a cube star antenna is fixed on day thread fixing plate 19; Baffle plate 24 one end is rotationally connected by the rotating shaft 5 of torsion spring and antenna stocking mechanism 25, and coordinate with flabellum 4, other end car has inclined-plane, corresponding sky thread fixing plate 19 end is provided with inclined-plane 21, described inclined-plane 21 contacts with the first contiguous block 13 of antenna stocking mechanism 25, the contact-making surface correspondence of described first contiguous block 13 is provided with inclined-plane, coordinates with inclined-plane 21, and the other end and the antenna support mechanism 26 of baffle plate 24 support with antenna stocking mechanism 25 Bidirectional contact.
Torsion spring set is on the rotating shaft 5 of antenna stocking mechanism 25, and the straight reverse arm of torsion spring contacts with antenna stocking mechanism 25 with the sky thread fixing plate 19 of antenna support mechanism 26 respectively.
It thread fixing plate 19, near the end on inclined-plane 21, is provided with and burns string holes 20.
Burn wire system 27 comprise resistance protection box 6, nylon burning line, extension spring, extension spring fixed axis 9 and burn line fixed axis 10, resistance protection box 6 is arranged on arc and stores the outer wall that frame 3 is provided with the first contiguous block 13 end, first contiguous block 13 is connected with resistance protection box 6 outer wall, do not affect by extraneous factor for the protection of resistance and circuit weld etc., resistance is provided with in resistance protection box 6, resistance protection box 6 is arranged with through hole 7, extension spring fixed axis 9 is arranged on arc and stores frame 3 outer wall; Extension spring is arranged on extension spring fixed axis 9; nylon burns line one end and extension spring is connected; the other end is successively through after the through hole 7 of resistance protection box 6 and the burning string holes 20 of sky thread fixing plate 19; be fixed on and burn on line fixed axis 10, burn line by nylon and antenna support mechanism 26 and the openend of antenna stocking mechanism 25 are locked.
Through hole 7 height, lower than resistance height in resistance protection box 6, ensures that nylon burns line and is close to resistance.
Job description
Cube star antenna deployment mechanism is fixed on a cube star heading top, before satellite launch, cube star antenna is involved in radome 2, arc stores in the inner chamber of frame 3 and base plate 28 formation, the wire of cube star antenna stretches out downwards from the winding displacement hole at base plate 28 center and is connected with the UV transceiver of cube star, nylon burns the burning string holes 20 of line by sky thread fixing plate 19, antenna support mechanism 26 is locked, after satellite launch, resistance electrified regulation in resistance protection box 6, blow nylon and burn line, the elastic force of torsion spring makes antenna support mechanism 26 launch, thus a cube star antenna is deployed into outside celestial body carry out work.
Embodiment 1: for a unit cube star antenna
Composition graphs 1 ~ Fig. 4: a kind of cube star antenna deployment mechanism, comprise base plate 28, two uhf band antennas and launch sub-agencies and two VHF band antennas expansion sub-agencies, it is identical that uhf band antenna expansion sub-agencies and VHF band antenna launch sub-agencies structure, base plate 28 center is provided with winding displacement hole, two uhf band antenna expansion sub-agencies and two VHF band antennas launch sub-agencies and arrange around winding displacement hole, two uhf band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two uhf band antenna expansion sub-agencies expansion directions are identical; Two VHF band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two VHF band antenna expansion sub-agencies expansion directions are identical; Wherein uhf band antenna expansion sub-agencies is contrary with VHF band antenna expansion sub-agencies expansion direction.
Uhf band antenna launches sub-agencies and comprises antenna stocking mechanism 25, antenna support mechanism 26 and burn wire system 27, antenna stocking mechanism 25 one end open, and antenna stocking mechanism 25 outer wall is provided with and burns wire system 27, and openend is provided with antenna support mechanism 26.
Antenna stocking mechanism 25 comprises arc and stores frame 3, radome 2, first contiguous block 13, second contiguous block 14, flabellum 4 and rotating shaft 5, arc stores frame 3 one end outer wall and is provided with burning wire system 27, first contiguous block 13 is arranged on arc and stores one end that frame 3 is provided with burning wire system 27, and be connected with burning wire system 27 outer wall, arc stores frame 3 other end and is provided with flabellum 4, flabellum 4 is provided with rotating shaft 5, flabellum 4 sidewall is provided with the second contiguous block 14, first contiguous block 13 and the second contiguous block 14 is connected with a cube star main frame respectively; Radome 2 is arranged on arc and stores in the middle part of frame 3, and radome 2 and base plate 28 lay respectively at arc and store frame 3 both sides, and radome 2, arc store in the inner chamber of frame 3 and base plate 28 formation and place cube star antenna.
The junction that radome 2, arc store frame 3 arranges slope 1, and slope 1 angle is 30 °.
Whether arc stores frame 3 and is provided with groove 15, and groove 15 and flabellum 4 are positioned at the same side, places separating switch in groove 15, launch for measuring a cube star antenna.
Base plate 28 adopts pcb board.
Antenna support mechanism 26 comprises day thread fixing plate 19, baffle plate 24 and torsion spring, and baffle plate 24 and base plate 28 lay respectively at the both sides of day thread fixing plate 19, and a cube star antenna is fixed on day thread fixing plate 19, baffle plate 24 one end is rotationally connected by the rotating shaft 5 of torsion spring and antenna stocking mechanism 25, and coordinate with flabellum 4, other end car has inclined-plane, corresponding sky thread fixing plate 19 end is provided with inclined-plane 21, described inclined-plane 21 contacts with the first contiguous block 13 of antenna stocking mechanism 25, the contact-making surface correspondence of described first contiguous block 13 is provided with inclined-plane, coordinate with inclined-plane 21, the other end and the antenna support mechanism 26 of baffle plate 24 support with antenna stocking mechanism 25 Bidirectional contact, wherein the close one end of sky thread fixing plate 19 is provided with reinforcement 17, day thread fixing plate 19 is made to extend to axis hole circle centre position, substantially increase intensity and the reliability of antenna support mechanism 26.
Torsion spring set is on the rotating shaft 5 of antenna stocking mechanism 25, and the straight reverse arm of torsion spring contacts with antenna stocking mechanism 25 with the sky thread fixing plate 19 of antenna support mechanism 26 respectively.
It thread fixing plate 19, near the end on inclined-plane, is provided with and burns string holes 20.
Burn wire system 27 and comprise resistance protection box 6, nylon burns line, extension spring, extension spring fixed axis 9 and burning line fixed axis 10, resistance protection box 6 is arranged on arc and stores the outer wall that frame 3 is provided with the first contiguous block 13 end, first contiguous block 13 is connected with resistance protection box 6 outer wall, do not affect by extraneous factor for the protection of resistance and circuit weld etc., first contiguous block 13 is arranged on resistance protection box 6 outer wall, burn line fixed axis 10 and be arranged on the first contiguous block 13 outer wall, resistance is provided with in resistance protection box 6, resistance protection box 6 is arranged with through hole 7, extension spring fixed axis 9 is arranged on arc and stores frame 3 outer wall, extension spring is arranged on extension spring fixed axis 9, and nylon burns line one end and extension spring is connected, and the other end through after the through hole 7 of resistance protection box 6 and the burning string holes 20 of sky thread fixing plate 19, is fixed on and burns on line fixed axis 10 successively.
Through hole 7 height is lower than resistance height in resistance protection box 6, and ensure that nylon burns line and is close to resistance, two resistances are 5.6 Ω.
Cube star antenna cross-sectional dimensions is 0.2mm*3mm, and cube star antenna and antenna support mechanism 26 material are respectively Nitinol and pom plastic cement, and antenna stocking mechanism 25 and resistance protection box 6 material are aluminium 7075.
Embodiment 2: for two unit cube star antenna
Composition graphs 1 ~ Fig. 4, a kind of cube star antenna deployment mechanism, comprise base plate 28, two uhf band antennas and launch sub-agencies and two VHF band antennas expansion sub-agencies, it is identical that uhf band antenna expansion sub-agencies and VHF band antenna launch sub-agencies structure, base plate 28 center is provided with winding displacement hole, two uhf band antenna expansion sub-agencies and two VHF band antennas launch sub-agencies and arrange around winding displacement hole, two uhf band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two uhf band antenna expansion sub-agencies expansion directions are identical; Two VHF band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate 28, and two VHF band antenna expansion sub-agencies expansion directions are identical; Wherein uhf band antenna expansion sub-agencies is contrary with VHF band antenna expansion sub-agencies expansion direction.
Uhf band antenna launches sub-agencies and comprises antenna stocking mechanism 25, antenna support mechanism 26 and burn wire system 27, antenna stocking mechanism 25 one end open, and antenna stocking mechanism 25 outer wall is provided with and burns wire system 27, and openend is provided with antenna support mechanism 26.
Antenna stocking mechanism 25 comprises arc and stores frame 3, radome 2, first contiguous block 13, second contiguous block 14, flabellum 4 and rotating shaft 5, arc stores frame 3 one end outer wall and is provided with burning wire system 27, first contiguous block 13 is arranged on arc and stores one end that frame 3 is provided with burning wire system 27, and be connected with burning wire system 27 outer wall, arc stores frame 3 other end and is provided with flabellum 4, flabellum 4 is provided with rotating shaft 5, the torsion spring elastic failure that flabellum 4 and rotating shaft 5 can avoid screw-nut to cause because tension of exerting oneself crosses pine, screw-nut lost efficacy and antenna dislocation is ejected, antenna is caused to launch unsuccessfully, satellite is made to lose efficacy, flabellum 4 sidewall is provided with the second contiguous block 14, first contiguous block 13 and the second contiguous block 14 are connected with a cube star main frame respectively, radome 2 is arranged on arc and stores in the middle part of frame 3, and radome 2 and base plate 28 lay respectively at arc and store frame 3 both sides, and radome 2, arc store in the inner chamber of frame 3 and base plate 28 formation and place cube star antenna.
The junction that radome 2, arc store frame 3 arranges slope 1, and slope 1 angle is 60 °, prevents from, in the stuck abdomen of antenna, making satellite lose performance.
Arc stores frame 3 and is provided with groove 15, and groove 15 and flabellum 4 are positioned at the same side, and place separating switch in groove 15, whether separating switch launches for measuring antenna.
Base plate 28 adopts pcb board.
Antenna support mechanism 26 comprises day thread fixing plate 19, baffle plate 24 and torsion spring, and baffle plate 24 and base plate 28 lay respectively at the both sides of day thread fixing plate 19, and a cube star antenna is fixed on day thread fixing plate 19; Baffle plate 24 one end is rotationally connected by the rotating shaft 5 of torsion spring and antenna stocking mechanism 25, and coordinate with flabellum 4, other end car has inclined-plane, corresponding sky thread fixing plate 19 end is provided with inclined-plane 21, described inclined-plane 21 contacts with the first contiguous block 13 of antenna stocking mechanism 25, the contact-making surface correspondence of described first contiguous block 13 is provided with inclined-plane, coordinates with inclined-plane 21.The other end and the antenna support mechanism 26 of baffle plate 24 support with antenna stocking mechanism 25 Bidirectional contact, wherein the close one end of sky thread fixing plate 19 is provided with reinforcement 17, the sky thread fixing plate 19 made extends to axis hole circle centre position, substantially increases intensity and the reliability of antenna support mechanism 26.
Torsion spring set is on the rotating shaft 5 of antenna stocking mechanism 25, and the straight reverse arm of torsion spring contacts with antenna stocking mechanism 25 with the sky thread fixing plate 19 of antenna support mechanism 26 respectively.
It thread fixing plate 19, near the end on inclined-plane, is provided with and burns string holes 20.
Burn wire system 27 and comprise resistance protection box 6, nylon burns line, extension spring, extension spring fixed axis 9 and burning line fixed axis 10, resistance protection box 6 is arranged on arc and stores the outer wall that frame 3 is provided with the first contiguous block 13 end, first contiguous block 13 is connected with resistance protection box 6 outer wall, do not affect by extraneous factor for the protection of resistance and circuit weld etc., first contiguous block 13 is arranged on resistance protection box 6 outer wall, burn line fixed axis 10 and be arranged on the first contiguous block 13 outer wall, resistance is provided with in resistance protection box 6, resistance protection box 6 is arranged with through hole 7, extension spring fixed axis 9 is arranged on arc and stores frame 3 outer wall, extension spring is arranged on extension spring fixed axis 9, and nylon burns line one end and extension spring is connected, and the other end through after the through hole 7 of resistance protection box 6 and the burning string holes 20 of sky thread fixing plate 19, is fixed on and burns on line fixed axis 10 successively.
Through hole 7 height is lower than resistance height in resistance protection box 6, and ensure that nylon burns line and is close to resistance, two resistances are 5.1 Ω.
Cube star antenna cross-sectional dimensions is 0.3mm*2.5mm, and a cube star antenna material is Nitinol, and antenna stocking mechanism 25, antenna support mechanism 26 and resistance protection box 6 material are toughened resin.
Described cube of star antenna deployment mechanism is fixed on two unit cube star heading top, before satellite launch, cube star antenna is involved in radome 2, arc stores in the inner chamber of frame 3 and base plate 28 formation, the wire of cube star antenna stretches out downwards from the winding displacement hole at base plate 28 center and is connected with the UV transceiver of cube star, nylon burns the burning string holes 20 of line by sky thread fixing plate 19, antenna support mechanism 26 is locked, after satellite launch, resistance electrified regulation in resistance protection box 6, blow nylon and burn line, the elastic force of torsion spring makes antenna support mechanism 26 launch, thus a cube star antenna is deployed into outside celestial body carry out work.
In sum of the present invention cube star antenna deployment mechanism size is little, quality is little, can meet cube star to the miniaturization of antenna, lightweight requirements completely, also can increase more load in cube limited quality of star specification and space, reduce launch cost, improve cube star functional density.Integrality is good, overall anti-vibration strong shock resistance, ensures that antenna system normally works.
Claims (8)
1. one kind of cube of star antenna deployment mechanism, it is characterized in that: comprise base plate (28), two uhf band antennas launch sub-agencies and two VHF band antennas expansion sub-agencies, it is identical that uhf band antenna expansion sub-agencies and VHF band antenna launch sub-agencies structure, base plate (28) center is provided with winding displacement hole, two uhf band antenna expansion sub-agencies and two VHF band antennas launch sub-agencies and arrange around winding displacement hole, two uhf band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate (28), and two uhf band antenna expansion sub-agencies expansion directions are identical, two VHF band antenna expansion sub-agencies are 180 ° and are symmetricly set on base plate (28), and two VHF band antenna expansion sub-agencies expansion directions are identical, wherein uhf band antenna expansion sub-agencies is contrary with VHF band antenna expansion sub-agencies expansion direction,
Uhf band antenna launches sub-agencies and comprises antenna stocking mechanism (25), antenna support mechanism (26) and burn wire system (27), antenna stocking mechanism (25) one end open, antenna stocking mechanism (25) outer wall is provided with and burns wire system (27), and openend is provided with antenna support mechanism (26);
Antenna stocking mechanism (25) comprises arc and stores frame (3), radome (2), first contiguous block (13), second contiguous block (14), flabellum (4) and rotating shaft (5), arc stores frame (3) one end outer wall and is provided with burning wire system (27), first contiguous block (13) is arranged on arc and stores one end that frame (3) is provided with burning wire system (27), and be connected with burning wire system (27) outer wall, arc stores frame (3) other end and is provided with flabellum (4), flabellum (4) is provided with rotating shaft (5), flabellum (4) sidewall is provided with the second contiguous block (14), first contiguous block (13) and the second contiguous block (14) are connected with a cube star main frame respectively, radome (2) is arranged on arc and stores frame (3) middle part, and radome (2) and base plate (28) lay respectively at arc and store frame (3) both sides, places cube star antenna in the inner chamber that radome (2), arc storage frame (3) and base plate (28) are formed.
2. according to claim 1 cube of star antenna deployment mechanism, is characterized in that: the junction that described radome (2), arc store frame (3) arranges slope (1), and slope (1) angle is 30 °-60 °.
3. according to claim 1 cube of star antenna deployment mechanism, is characterized in that: described arc stores frame (3) and is provided with groove (15), and groove (15) and flabellum (4) are positioned at the same side, places separating switch in groove (15).
4. according to claim 1 cube of star antenna deployment mechanism, is characterized in that: described base plate (28) adopts pcb board.
5. according to claim 1 cube of star antenna deployment mechanism, it is characterized in that: described antenna support mechanism (26) comprises a day thread fixing plate (19), baffle plate (24) and torsion spring, baffle plate (24) and base plate (28) lay respectively at the both sides of a day thread fixing plate (19), and a cube star antenna is fixed on a day thread fixing plate (19); Baffle plate (24) one end is rotationally connected by the rotating shaft (5) of torsion spring and antenna stocking mechanism (25), other end car has inclined-plane, the end that it thread fixing plate (19) is corresponding is provided with inclined-plane (21), and described inclined-plane (21) contact with first contiguous block (13) of antenna stocking mechanism (25).
6. according to claim 5 cube of star antenna deployment mechanism, is characterized in that: described sky thread fixing plate (19) is provided with near the end on inclined-plane (21) and burns string holes (20).
7. according to claim 1 cube of star antenna deployment mechanism, it is characterized in that: described burning wire system (27) comprises resistance protection box (6), nylon burns line, extension spring, extension spring fixed axis (9) and burning line fixed axis (10), resistance protection box (6) is arranged on arc and stores frame (3) and be provided with the outer wall that the first contiguous block (13) holds, first contiguous block (13) is connected with resistance protection box (6) outer wall, burn line fixed axis (10) and be arranged on the first contiguous block (13) outer wall, resistance protection box is provided with resistance in (6), resistance protection box (6) is arranged with through hole (7), extension spring fixed axis (9) is arranged on arc and stores frame (3) outer wall, extension spring is arranged on extension spring fixed axis (9), and nylon burns line one end and extension spring is connected, and the other end through after the through hole (7) of resistance protection box (6) and the burning string holes (20) of sky thread fixing plate (19), is fixed on and burns on line fixed axis (10) successively.
8. according to claim 7 cube of star antenna deployment mechanism, is characterized in that: described through hole (7) height, lower than the interior resistance height of resistance protection box (6), ensures that nylon burns line and is close to resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017247.3A CN105470621B (en) | 2016-01-12 | 2016-01-12 | Cube star antenna deployment mechanism |
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| CN201610017247.3A CN105470621B (en) | 2016-01-12 | 2016-01-12 | Cube star antenna deployment mechanism |
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| CN105470621A true CN105470621A (en) | 2016-04-06 |
| CN105470621B CN105470621B (en) | 2018-01-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107658833A (en) * | 2017-07-28 | 2018-02-02 | 上海卫星工程研究所 | A kind of optimization wiring method for meeting the demand of radio-frequency cable rotation out of my cabin |
| RU2692014C1 (en) * | 2018-04-19 | 2019-06-19 | Федеральное государственное автономное образовательное учреждение высшего образования "Новосибирский национальный исследовательский государственный университет" (Новосибирский государственный университет, НГУ) | Combined module for opening of solar panels and antennas of nanosatellite class cubesat |
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| Publication number | Publication date |
|---|---|
| CN105470621B (en) | 2018-01-05 |
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