CN115986362A - Foldable satellite antenna structure - Google Patents

Foldable satellite antenna structure Download PDF

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Publication number
CN115986362A
CN115986362A CN202211645172.5A CN202211645172A CN115986362A CN 115986362 A CN115986362 A CN 115986362A CN 202211645172 A CN202211645172 A CN 202211645172A CN 115986362 A CN115986362 A CN 115986362A
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CN
China
Prior art keywords
rib
piston seat
storage cylinder
antenna structure
platform
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Pending
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CN202211645172.5A
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Chinese (zh)
Inventor
邹濡锐
闫勇
房思俊
赵凯
武宇巍
范纹彤
张锐
海宏文
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Sun Yat Sen University
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Sun Yat Sen University
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Priority to CN202211645172.5A priority Critical patent/CN115986362A/en
Publication of CN115986362A publication Critical patent/CN115986362A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of satellite antennas, and discloses a foldable satellite antenna structure, wherein a piston seat is arranged in a storage cylinder, the piston seat can move along the axial direction of the storage cylinder, a driving device is connected with the piston seat and drives the piston seat to move along the axial direction of the storage cylinder, a feed horn is arranged at the top of the piston seat, an auxiliary reflector platform is slidably sleeved on the feed horn, an auxiliary reflector is positioned above the feed horn and is connected with the auxiliary reflector platform through a connecting support, the top end of a spring is connected with the bottom of the auxiliary reflector platform, the bottom end of the spring is connected with the top of the piston seat, a plurality of folding and unfolding ribs are arranged and comprise a root rib and a top rib, the first end of the root rib is hinged with the side part of the piston seat through a first hinge, the second end of the root rib is hinged with the first end of the top rib through a second hinge, and the first hinge and the second hinge are respectively provided with an elastic component. The invention has the characteristics of small furling size, large unfolding size and light structure.

Description

Foldable satellite antenna structure
Technical Field
The invention relates to the technical field of satellite antennas, in particular to a foldable satellite antenna structure.
Background
With the deep exploration of the mystery of the space, the traditional satellite can not meet the desire of people for external space information, and the development of ultra-large and high-precision satellites and space stations is more urgent and more needed. The satellite-borne antenna is used as a carrier for receiving signals, has a plurality of practical applications in the fields of wireless communication, deep space exploration, satellite remote sensing, radio astronomy and the like, and is vital to the normal operation of the satellite. With the increasing requirement of space missions, the requirement of aerospace antennas is also increased, and the aperture size of satellite antennas is also increased to pursue high-gain communication efficiency.
At present, the developed satellite-borne deployable antennas, such as the deployable reflector antennas of folded flat panel transmitting array type, inflatable type, framework type and peripheral truss, are difficult to satisfy the requirements of high storage ratio and high precision. There is therefore a need for a foldable antenna structure that is small in folded size, large in unfolded size, and light in weight.
Disclosure of Invention
The invention aims to provide a foldable satellite antenna structure, which has the characteristics of small folded size, large unfolded size and light structure, and can realize complete and interference-free driving and unfolding through a simple and convenient driving mode.
In order to solve the technical problems, the invention provides a foldable satellite antenna structure, which comprises a storage cylinder, a piston seat, a driving device, a feed horn, a secondary reflector platform, a secondary reflector, a spring and a folding and unfolding rib, wherein the piston seat is arranged in the storage cylinder, the piston seat can move along the axial direction of the storage cylinder, the driving device is connected with the piston seat, the driving device drives the piston seat to move along the axial direction of the storage cylinder, the feed horn is arranged at the top of the piston seat, the secondary reflector platform is slidably sleeved on the feed horn, the secondary reflector is positioned above the feed horn, the secondary reflector is connected with the secondary reflector platform through a connecting bracket, the top end of the spring is connected with the bottom of the secondary reflector platform, the bottom end of the spring is connected with the top of the piston seat, the folding and unfolding rib is provided with a plurality of folding and unfolding ribs, the folding and unfolding rib are uniformly distributed along the periphery of the piston seat, the folding and unfolding rib comprises a root rib and a top rib, the first end of the root rib is hinged with the second end of the piston seat through a first hinge, and a second end of the hinge component is hinged with a second end of the second hinge;
when the antenna structure is in a unfolding state, the folding ribs are positioned above the storage cylinder and are completely unfolded, and the outer sides of the root ribs and the outer sides of the top ribs are connected to form a continuous parabolic curved surface;
when the antenna structure is in folded state, roll over the exhibition rib the piston seat with vice speculum platform all is located in the storage cylinder, roll over the exhibition rib and fold completely, the outside of root rib with the inboard of storage cylinder offsets, the spring is in the compression state, the second end of top rib with the top of vice speculum platform offsets.
As a preferable scheme of the present invention, the secondary reflector platform is provided with a positioning groove, the positioning groove is arranged around the axis of the feed horn in a circle, and when the folded and unfolded rib is in the fully folded state, the second end of the top rib is located in the positioning groove.
In a preferred embodiment of the present invention, the second end of the top rib is provided with a first guide slope, and the first guide slope is gradually inclined toward the outside of the top rib along the direction from the second end to the first end of the top rib.
As a preferable scheme of the invention, a second guide inclined plane is arranged on the inner wall of one side of the positioning groove, which is close to the feed source horn, and the second guide inclined plane gradually inclines towards the outer side of the secondary reflector platform from top to bottom.
As a preferable scheme of the invention, a plurality of guide columns distributed around the axis of the storage cylinder are arranged inside the storage cylinder, and the piston seat is provided with a guide sleeve in sliding fit with the guide columns.
As a preferable scheme of the invention, a plurality of guide convex strips distributed around the axis of the feed source horn are arranged on the outer side of the feed source horn, and a guide groove in sliding fit with the guide convex strips is arranged on the secondary reflector platform.
In a preferred embodiment of the present invention, a base slidably fitted to the storage cylinder is provided at the bottom of the piston holder, and a flange extending to the inside of the storage cylinder is provided at the top of the storage cylinder.
As a preferable scheme of the invention, a connecting boss which is slidably sleeved on the feed source horn is arranged on the secondary reflector platform, a limiting boss is arranged at the top of the feed source horn, and the outer diameter of the limiting boss is larger than the inner diameter of the connecting boss.
As a preferable scheme of the present invention, the driving device includes a driving motor, a screw rod, and a lifting block, the screw rod is disposed along an axis of the storage cylinder, an output end of the driving motor is connected to the screw rod, the lifting block is disposed on the screw rod, and the lifting block is fixedly connected to the piston seat.
As a preferable aspect of the present invention, the elastic member is a torsion spring.
Compared with the prior art, the foldable satellite antenna structure provided by the embodiment of the invention has the beneficial effects that: when the antenna structure is in a folded state, the folding and unfolding ribs, the piston seat and the auxiliary reflector platform are all positioned in the storage cylinder, so that the overall volume of the antenna structure is effectively reduced, the transportation is facilitated, at the moment, the folding and unfolding ribs are completely folded, the outer side of the root rib abuts against the inner side of the storage cylinder, the spring is in a compressed state, and the second end of the top rib abuts against the top of the auxiliary reflector platform, so that the folding and unfolding ribs are kept in a completely folded state; when the antenna structure is switched from the folding state to the unfolding state, only the driving device is required to drive the piston seat to ascend along the axial direction of the storage cylinder, the piston seat can drive the root rib to ascend and gradually separate from the storage cylinder, in the process, the root rib rotates and unfolds outwards gradually under the elastic action of the elastic component of the first hinge, meanwhile, the top rib rotates and unfolds outwards gradually under the elastic action of the elastic component of the second hinge, the abutting force of the top rib on the secondary reflector platform is gradually reduced, the secondary reflector is caused to ascend and unfold gradually under the elastic action of the spring, the secondary reflector is driven to slide and ascend, finally, the folding and unfolding rib is unfolded completely, and the folding and unfolding rib, the secondary reflector platform and the secondary reflector are located above the storage cylinder, so that the unfolding operation is simple and convenient.
Drawings
Fig. 1 is a block diagram of the antenna structure of the present invention in a folded state;
FIG. 2 is a cross-sectional view of FIG. 1 (without the spring shown);
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a block diagram of the antenna structure of the present invention in an unfolded state;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a block diagram of FIG. 4 with the reservoir and spring omitted;
FIG. 7 is a partial block diagram of the connection of the folded ribs to the piston base of the present invention;
FIG. 8 is a block diagram of a secondary mirror platform of the present invention;
in the figure, 1, a storage cylinder; 11. a guide post; 12. a flange; 2. a piston seat; 21. a guide sleeve; 22. a base; 3. a drive device; 31. a drive motor; 32. a screw; 33. a lifting block; 4. a feed source horn; 41. a guide convex strip; 42. a limiting boss; 5. a secondary mirror platform; 51. a positioning groove; 511. a second guide slope; 52. connecting the bosses; 53. a guide groove; 6. a secondary reflector; 61. a connecting frame 61; 7. a spring; 8. folding and unfolding the ribs; 81. a root and a rib; 811. a first hinge; 82. a top rib; 821. a second hinge; 822. a first guide slope.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third" are used only for descriptive purposes and are not intended to indicate or imply relative importance.
As shown in fig. 1-8, a foldable satellite antenna structure according to a preferred embodiment of the present invention includes a storage cylinder 1, a piston seat 2, a driving device 3, a feed horn 4, a secondary reflector platform 5, a secondary reflector 6, a spring 7, and a folding rib 82, wherein the piston seat 2 is disposed in the storage cylinder 1, the piston seat 2 is movable along an axial direction of the storage cylinder 1, the driving device 3 is connected to the piston seat 2, the driving device 3 drives the piston seat 2 to move along the axial direction of the storage cylinder 1, the feed horn 4 is disposed on a top of the piston seat 2, the feed horn 4 is cylindrical, the secondary reflector platform 5 is slidably disposed on the feed horn 4, the secondary reflector 6 is disposed above the feed horn 4, the secondary reflector 6 is connected to the secondary reflector platform 5 through a connecting bracket, a top end of the spring 7 is connected to a bottom of the secondary reflector platform 5, a bottom end of the spring 7 is connected to a top of the piston seat 2, the folding rib 8 is provided with a plurality of folding ribs 8, the folding rib 8 is disposed along a periphery of the piston seat 2, the folding rib 8 includes a plurality of ribs 81, a top rib 821, when a second end of the folding rib 81 and a top rib 82 is hinged to a top rib 82, and a second end 82, when a top rib 82 of the piston seat 81 is disposed adjacent to a second end of the piston seat 82, and a top rib 82, and a second end of the piston seat 82, when a top rib 82, the piston seat 81 is hinged to a second end 82, and a top rib 82, and a second end of the piston seat 81 is not disposed to a hinge assembly 81, when a second end of the piston seat 81, and a second end 82, and a second end of the piston seat 82, and a hinge assembly 81 is hinged to a hinge 82, and a hinge 82, when a second end of the piston seat 81 is disposed adjacent to a second end 82, and a hinge assembly 81, and a second end 82, and a hinge 82, the piston seat 81, and a hinge 82, the hinge 82, and a second end of the piston seat 81 is disposed adjacent to a hinge 82, and a hinge 82, when a hinge assembly 81, the hinge 82, and a hinge assembly 81, the folded ribs will remain in the fully unfolded state, and when the root rib 81 or the top rib 82 is rotated and folded by an external force, the elastic component will generate an elastic force;
when the antenna structure is in the unfolding state, the folding ribs 8 are positioned above the storage cylinder 1, the folding ribs 8 are completely unfolded, and the outer sides of the root ribs 81 and the top ribs 82 are connected to form a continuous parabolic curved surface;
when the antenna structure is in a folded state, the folding and unfolding ribs 8, the piston seat 2 and the auxiliary reflector platform 5 are all located in the storage cylinder 1, the folding and unfolding ribs 8 are completely folded, the outer side of the root rib 81 is abutted to the inner side of the storage cylinder 1, the spring 7 is in a compressed state, and the second end of the top rib 82 is abutted to the top of the auxiliary reflector platform 5.
The auxiliary reflector 6 device further comprises an auxiliary reflector 6 and a connecting support, the auxiliary reflector 6 is located above the feed source loudspeaker 4, the top end of the connecting support is connected with the auxiliary reflector 6, and the bottom end of the connecting support is connected with the auxiliary reflector platform 5.
The working principle of the embodiment is as follows: when the antenna structure is in a folded state, the folding and unfolding ribs 8, the piston seat 2 and the auxiliary reflector platform 5 are all located in the storage cylinder 1, generally, the auxiliary reflector 6 is also located in the storage cylinder 1 at the moment, so that the overall volume of the antenna structure is effectively reduced, the transportation is convenient, the folding and unfolding ribs 8 are completely folded at the moment, the elastic components of the first hinge 811 and the elastic components of the second hinge 821 generate elastic force, the outer side of the root rib 81 abuts against the inner side of the storage cylinder 1, the spring 7 is in a compressed state, the spring 7 generates elastic force, and the second end of the top rib 82 abuts against the top of the auxiliary reflector platform 5, so that the folding and unfolding ribs 8 are kept in a completely folded state; when the antenna structure is switched from the folded state to the unfolded state, the driving device 3 drives the piston seat 2 to ascend along the axial direction of the storage cylinder 1, the piston seat 2 drives the root rib 81 to ascend and gradually separate from the storage cylinder 1, in the process, the root rib 81 gradually rotates and unfolds towards the outer side under the elastic action of the elastic component of the first hinge 811, and meanwhile, the top rib 82 gradually rotates and unfolds towards the outer side under the elastic action of the elastic component of the second hinge 821, so that the supporting force of the top rib 82 to the secondary reflector platform 5 is gradually reduced, the secondary reflector 6 gradually ascends and unfolds under the elastic action of the spring 7, the secondary reflector 6 is driven to slide and ascend, finally, the root rib 81 completely separates from the storage cylinder 1, the root rib 81 is completely unfolded, the top rib 82 separates from the secondary reflector platform, the top rib 82 is completely unfolded, the secondary reflector platform 5 ascends to a set position (generally, the position when the spring 7 recovers to no longer be compressed), at this moment, the folding and unfolding rib 8, the secondary reflector platform 5 and the folding antenna 6 are all located above the storage cylinder 1, the folding antenna 8 is in the unfolded state; afterwards, if the antenna structure needs to be switched from the unfolded state to the folded state, the auxiliary reflector platform 5 is pressed down first, so that the spring 7 is compressed, and meanwhile, the top rib 82 and the root rib 81 rotate and fold towards the inner side of the top rib, so that the second end of the top rib 82 abuts against the top of the auxiliary reflector platform 5, and then the driving device 3 drives the piston platform to gradually descend, in the process, the inner side of the storage cylinder 1 abuts against the outer side of the root rib 81, so that the root rib 81 and the top rib 82 rotate and fold towards the inner side gradually, finally, the folded rib is completely arranged in the storage cylinder 1, the auxiliary reflector platform 5 is also arranged in the storage cylinder 1, and at the moment, the antenna structure is kept in the folded state.
Illustratively, the positioning groove 51 is arranged on the secondary reflector platform 5, the positioning groove 51 is arranged around the axis of the feed horn 4 in a circle, when the folded rib 8 is in the fully folded state, the second end of the top rib 82 is located in the positioning groove 51 to play a role in positioning, so that the antenna structure is switched from the unfolded state to the folded state.
Illustratively, the second end of the top rib 82 is provided with a first guiding inclined plane 822, the first guiding inclined plane 822 gradually inclines towards the outer side of the top rib 82 (i.e. the side far away from the feed horn 4) along the direction from the second end to the first end of the top rib 82, when the antenna structure is switched from the folded state to the unfolded state, the second end of the top rib 82 is separated from the secondary reflector platform 5, there is a possibility that the second end of the top rib 82 and the inner wall of the positioning groove 51 near the one side of the feed horn 4 are contacted, the first guiding inclined plane 822 plays a role in guiding, the second end of the top rib 82 is guided to move to be separated from the positioning groove 51, the occurrence of the phenomenon that the top rib 82 and the side wall of the positioning groove 51 are contacted and jammed is reduced, and the normal unfolding of the folding rib 8 is ensured.
Exemplarily, the inner wall of one side of the positioning groove 51 close to the feed horn 4 is provided with a second guiding inclined plane 511, in this embodiment, one side of the positioning groove 51 close to the feed horn 4 is higher than the other side thereof, the second guiding inclined plane 511 inclines gradually from top to bottom towards the outer side of the secondary reflector platform 5 (i.e. the side far away from the feed horn 4), when the antenna structure is switched from the unfolded state to the folded state, the second end of the top rib 82 is abutted against the secondary reflector platform, there is a possibility that the second end of the top rib 82 and the inner wall of one side of the positioning groove 51 close to the feed horn 4 are touched, the second guiding inclined plane 511 is provided with a guiding function, the second end of the top rib 82 is guided to move into the positioning groove 51, and the occurrence of the phenomenon that the side walls of the top rib 82 and the positioning groove 51 are touched and jammed is reduced.
Illustratively, the interior of the storage cylinder 1 is provided with a plurality of guide posts 11 distributed around the axis of the storage cylinder 1, and the piston seat 2 is provided with a guide sleeve 21 in sliding fit with the guide posts 11, so that the piston seat 2 is ensured to move along the axial direction of the storage cylinder 1 by the fit of the guide sleeve 21 and the guide posts 11.
Exemplarily, the outer side of the feed horn 4 is provided with a plurality of guide protruding strips 41 distributed around the axis of the feed horn 4, the secondary reflector platform 5 is provided with guide grooves 53 in sliding fit with the guide protruding strips 41, and the secondary reflector platform 5 is ensured to slide along the axial direction of the feed horn 4 through the fit of the guide protruding strips 41 and the guide grooves 53, and meanwhile, the secondary reflector platform 5 can be prevented from rotating.
Illustratively, the bottom of the piston seat 2 is provided with a base 22 in sliding fit with the storage cylinder 1, the diameter of the base 22 is larger than that of the piston seat 2, the top of the storage cylinder 1 is provided with a flange 12 extending towards the inner side of the storage cylinder 1, that is, the flange 12 extends to the upper side of the base 22 (but the flange 12 does not extend to the upper side of the piston seat 2, that is, the inner diameter of the flange 12 is smaller than that of the base 22, but is larger than that of the piston seat 2), and the arrangement of the flange 12 plays a role in limiting the piston seat 2, specifically: when the antenna structure is converted from the folded state to the unfolded state, the piston seat 2 is driven by the driving device 3 to ascend along the axial direction of the storage cylinder 1, finally, the top of the base 22 touches the bottom of the flange 12, and the flange 12 limits the piston seat 2 of the base 22 to continuously ascend, so that the limiting and positioning effects are achieved.
Exemplarily, be equipped with on the secondary reflector platform 5 that the slidable ground cover is established and is connected boss 52 on feed loudspeaker 4, the top of feed loudspeaker 4 is equipped with spacing boss 42, and the external diameter of spacing boss 42 is greater than the internal diameter of connecting boss 52, and the lateral part of spacing boss 42 extends the top of connecting boss 52 promptly, and the setting of spacing boss 42 plays limiting displacement to secondary reflector platform 5, specifically is: when the antenna structure is converted from the folded state to the unfolded state, the secondary reflector platform 5 rises under the elastic force of the spring 7, the top of the connecting boss 52 is finally contacted with the bottom of the limiting boss 42, and the limiting boss 42 limits the secondary reflector platform 5 to continue rising to play the role of limiting and positioning.
Exemplarily, the driving device 3 includes a driving motor 31, a screw rod 32 and a lifting block 33, the screw rod 32 is disposed along an axis of the storage cylinder 1, when the antenna structure is in a folded state, a top end of the screw rod 32 extends into the feed horn 4, an output end of the driving motor 31 is connected with the screw rod 32, the lifting block 33 is disposed on the screw rod 32, the lifting block 33 is fixedly connected with the piston seat 2, the lifting block 33 is in threaded connection with the screw rod 32, the driving motor 31 drives the screw rod 32 to rotate, the screw rod 32 is relatively fixed with the driving motor 31, so that the lifting block 33 and the piston seat 2 move up and down along an axial direction of the screw rod 32 together, and thereby the driving device 3 drives the piston seat 2 to move along the axial direction of the storage cylinder 1.
Illustratively, the elastic component is a torsion spring 7, i.e., the first hinge 811 and the second hinge 821 are both torsion spring hinges.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A foldable satellite antenna structure, characterized in that: the foldable and unfoldable piston comprises a storage cylinder, a piston seat, a driving device, a feed horn, an auxiliary reflector platform, an auxiliary reflector, a spring and a foldable and unfoldable rib, wherein the piston seat is arranged in the storage cylinder, the piston seat can move along the axial direction of the storage cylinder, the driving device is connected with the piston seat, the driving device drives the piston seat to move along the axial direction of the storage cylinder, the feed horn is arranged at the top of the piston seat, the auxiliary reflector platform is slidably sleeved on the feed horn, the auxiliary reflector is positioned above the feed horn, the auxiliary reflector is connected with the auxiliary reflector platform through a connecting support, the top end of the spring is connected with the bottom of the auxiliary reflector platform, the bottom end of the spring is connected with the top of the piston seat, the foldable and unfoldable rib is provided with a plurality of foldable and unfoldable ribs, the foldable and unfoldable rib is uniformly distributed along the periphery of the piston seat, the foldable and unfoldable rib comprises a root rib and a top rib, the first end of the root rib is hinged with the side portion of the piston seat through a first hinge, and the second end of the hinge are respectively provided with a second elastic hinge assembly;
when the antenna structure is in an unfolded state, the folding and unfolding ribs are positioned above the storage cylinder and are completely unfolded, and the outer sides of the root ribs and the outer sides of the top ribs are connected to form a continuous parabolic curved surface;
when the antenna structure is in folded state, roll over the exhibition rib the piston seat with vice speculum platform all is located in the storage cylinder, roll over the exhibition rib and fold completely, the outside of root rib with the inboard of storage cylinder offsets, the spring is in the compression state, the second end of top rib with the top of vice speculum platform offsets.
2. A collapsible satellite antenna structure as claimed in claim 1, wherein: be equipped with positioning groove on the vice speculum platform, positioning groove centers on the axis round setting of feed loudspeaker, works as when the exhibition rib is in perfect folding state, the second end of top rib is located in the positioning groove.
3. A collapsible satellite antenna structure as claimed in claim 2, wherein: the second end of top rib is equipped with first direction inclined plane, first direction inclined plane is followed the second end of top rib is toward the direction of first end is gradually toward the outside slope of top rib.
4. A collapsible satellite antenna structure as claimed in claim 2, wherein: and a second guide inclined plane is arranged on the inner wall of one side of the positioning groove, which is close to the feed source horn, and the second guide inclined plane gradually inclines towards the outer side of the secondary reflector platform from top to bottom.
5. A collapsible satellite antenna structure as claimed in claim 1, wherein: the inside of storage cylinder is equipped with a plurality of centers on the guide post of the axis distribution of storage cylinder, the piston seat be equipped with guide post sliding fit's uide bushing.
6. A collapsible satellite antenna structure as claimed in claim 1, wherein: the outside of feed source loudspeaker is equipped with a plurality of centers on the direction sand grip that the axis of feed source loudspeaker distributes, vice speculum platform be equipped with direction sand grip sliding fit's direction recess.
7. A collapsible satellite antenna structure as claimed in claim 1, wherein: the bottom of the piston seat is provided with a base which is in sliding fit with the storage cylinder, and the top of the storage cylinder is provided with a flange which extends towards the inner side of the storage cylinder.
8. A collapsible satellite antenna structure as claimed in claim 1, wherein: the auxiliary reflector platform is provided with a connecting boss which is slidably sleeved on the feed source horn, the top of the feed source horn is provided with a limiting boss, and the outer diameter of the limiting boss is larger than the inner diameter of the connecting boss.
9. A collapsible satellite antenna structure as claimed in claim 1, wherein: the driving device comprises a driving motor, a screw and a lifting block, the screw is arranged along the axis of the storage cylinder, the output end of the driving motor is connected with the screw, the lifting block is arranged on the screw, and the lifting block is fixedly connected with the piston seat.
10. A collapsible satellite antenna structure as claimed in claim 1, wherein: the elastic component is a torsion spring.
CN202211645172.5A 2022-12-19 2022-12-19 Foldable satellite antenna structure Pending CN115986362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211645172.5A CN115986362A (en) 2022-12-19 2022-12-19 Foldable satellite antenna structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211645172.5A CN115986362A (en) 2022-12-19 2022-12-19 Foldable satellite antenna structure

Publications (1)

Publication Number Publication Date
CN115986362A true CN115986362A (en) 2023-04-18

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Application Number Title Priority Date Filing Date
CN202211645172.5A Pending CN115986362A (en) 2022-12-19 2022-12-19 Foldable satellite antenna structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116318375A (en) * 2023-05-24 2023-06-23 亚太卫星宽带通信(深圳)有限公司 Multi-scale satellite communication equipment and communication beam coverage method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116318375A (en) * 2023-05-24 2023-06-23 亚太卫星宽带通信(深圳)有限公司 Multi-scale satellite communication equipment and communication beam coverage method thereof
CN116318375B (en) * 2023-05-24 2023-08-22 亚太卫星宽带通信(深圳)有限公司 Multi-scale satellite communication equipment and communication beam coverage method thereof

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