CN110767994A - Umbrella-shaped portable satellite communication antenna - Google Patents
Umbrella-shaped portable satellite communication antenna Download PDFInfo
- Publication number
- CN110767994A CN110767994A CN201911065163.7A CN201911065163A CN110767994A CN 110767994 A CN110767994 A CN 110767994A CN 201911065163 A CN201911065163 A CN 201911065163A CN 110767994 A CN110767994 A CN 110767994A
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- CN
- China
- Prior art keywords
- reflecting surface
- lead screw
- waveguide
- gland
- umbrella
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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.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses an umbrella-shaped portable satellite communication antenna, which comprises a waveguide, wherein a feed source is arranged at one end of the waveguide, a gland is concentrically fixed on the waveguide, a plurality of reflecting surface ribs which are uniformly distributed on the circumference are hinged on the gland, a flexible reflecting base material is arranged on the inner surface of each reflecting surface rib to form a flexible reflecting surface, a hollow lead screw is concentrically arranged on the periphery of the feed source, the end part of the hollow lead screw is connected with the gland, a nut arranged on the hollow lead screw is opposite to the gland, a plurality of connecting rods are hinged on the nut corresponding to each reflecting surface rib, the connecting rods are hinged with the reflecting surface ribs in a one-to-one correspondence manner, the nuts slide linearly to drive the reflecting surface ribs to fold or diffuse, and a folding and unfolding hand wheel is concentrically fixed at one end of the hollow lead screw, which is far. After the flexible reflecting surface is folded, the whole volume of the antenna is small. Compared with the traditional rigid reflector antenna, the portable station antenna has the advantages of better volume advantage and convenience in transportation and carrying.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to an umbrella-shaped portable satellite communication antenna.
Background
The portable satellite communication antenna is a small satellite communication device, and needs to have the characteristics of small volume, light weight, convenience in transportation and carrying, quickness in opening and erection and the like.
The traditional portable satellite antenna mostly adopts a rigid reflecting surface form, and the reflecting surface material mainly adopts aluminum alloy and carbon fiber. In order to facilitate storage and transportation, the rigid reflecting surface needs to be designed in a split manner. Therefore, in the working process of the antenna, the operation of splicing and disassembling the lobe is needed, and the opening and the disassembling speed is slow; meanwhile, the volume of the split reflecting surface is large, and the split reflecting surface is difficult to store and transport.
In order to solve the defects of a rigid reflecting surface, the invention designs the umbrella-shaped portable satellite communication antenna, the reflecting surface of the antenna is made of flexible materials, the unfolding and folding actions of the reflecting surface can be quickly realized by operating the unfolding and folding hand wheel, and meanwhile, the reflecting surface can be folded, so that the folding type satellite communication antenna is small in collection volume and convenient to transport and carry.
Disclosure of Invention
The invention discloses an umbrella-shaped portable satellite communication antenna for solving the problem of the rigid reflecting surface satellite communication antenna, and solves the problems that the existing portable station antenna needs to be subjected to split and split operations, and is difficult to store and transport.
In order to achieve the above purpose, the invention provides the following technical scheme:
an umbrella-shaped portable satellite communication antenna comprises a waveguide, a feed source is arranged at one end of the waveguide, a gland is concentrically fixed on the waveguide and is opposite to the nut, a plurality of reflecting surface ribs which are uniformly distributed in the circumference are hinged on the gland, the plurality of reflecting surface ribs form an inwards concave reflecting surface antenna shape, a flexible reflecting base material is arranged on the inner surface of each reflecting surface rib to form a flexible reflecting surface, a hollow screw is concentrically arranged on the periphery of the feed source, the end part of the hollow screw is connected with the gland, the nut is assembled on the hollow screw and is opposite to the gland, the corresponding screw that is in with every plane of reflection rib articulates there are a plurality of connecting rods, the connecting rod one-to-one with plane of reflection rib hinge, the screw linear slides and drives the plane of reflection rib fold or spread, the one end that the gland was kept away from to the hollow lead screw is fixed with the expansion hand wheel with one heart.
Furthermore, the waveguide is provided with an annular bulge, one end of the lead screw is matched outside the annular bulge, the other end of the lead screw is connected with an outer ring of the lead screw nut, an inner ring of the lead screw nut is embedded in a groove reserved on one side of the gland, and the lead screw is erected on the periphery of the waveguide.
Further, still include tubaeform casing, tubaeform throat end pass through the casing bearing hoop on the lead screw, tubaeform flared end with the reflecting surface rib corresponding have a plurality of notches that are used for direction reflecting surface rib, the root of every reflecting surface rib all is spacing in the notch.
Further, the polarization switch is arranged at the other end of the waveguide.
Further, still include the base, be located and have the recess between tubaeform casing and the exhibition hand wheel, be located this recess and imbed the base snap ring, the bottom of base snap ring stretches out the support that has the bending, is located to equip with the base on the support.
Furthermore, a medium support is arranged at one end of the waveguide, and a stepped boss with an equal-ratio diameter increasing is formed in the medium support and faces to the inner cavity of the waveguide.
As can be seen from the above description, the technical scheme of the invention has the beneficial effects that:
the flexible reflecting surface is adopted, and the opening and the withdrawing operation of the antenna can be realized through the unfolding and folding actions of the reflecting surface, so that the operation of assembling and disassembling the petals of the rigid reflecting surface is omitted, and the speed advantage of the portable station satellite communication antenna is realized.
After the flexible reflecting surface is folded, the whole volume of the antenna is small. Compared with the traditional rigid reflector antenna, the portable station antenna has the advantages of better volume advantage and convenience in transportation and carrying.
Drawings
In order to more clearly describe this patent, one or more of the following figures are provided.
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic diagram of the folding and unfolding mechanism of the present invention;
FIG. 3 is a block diagram of the folding and unfolding mechanism of the present invention;
FIG. 4 is a diagram of a waveguide feed structure according to the present invention;
fig. 5 is a structural view of a cap feed source of the present invention.
FIG. 6 is a drawing showing the flexible reflecting surface of the present invention in a folded state
Description of reference numerals:
the device comprises a base 1, a polarization joint 2, a folding and unfolding hand wheel 3, a folding and unfolding mechanism 4, a reflecting surface rib 5, a flexible reflecting base material 6, a waveguide 7, a feed source 8, a support 9, a horn-shaped shell 10, a lead screw 11, a nut 12, a bearing 13, a connecting rod shaft 14, a connecting rod 15, a gland 16, a transition waveguide 17 and a medium support 18
Detailed Description
In order to facilitate the understanding of the technical solutions of the present patent by those skilled in the art, the technical solutions of the present patent are further described in the following specific cases.
As shown in fig. 1, 2 and 3, there is provided an umbrella-shaped portable satellite communication antenna comprising a waveguide, a waveguide 7, for the conduction of an electromagnetic beam. The front end of the waveguide is a feed source with a special configuration to realize modulation and receiving and transmitting of electromagnetic wave beams, one end of the waveguide is provided with a medium support, a stepped boss with an equal-ratio diameter-increasing diameter is formed in the medium support and faces to an inner cavity of the waveguide, the feed source is fixed on the outer side of the medium support, the feed source is in a groove and protrusion configuration with a special configuration, modulation and receiving of the electromagnetic wave beams are realized by designing the relative sizes of a multilayer groove and protrusion structure, and the center of the feed source is coincided with the focus of a reflecting surface.
The waveguide is concentrically fixed with a gland, the feed source is concentrically provided with a hollow lead screw at the periphery, the end part of the hollow lead screw is connected with the gland, and the polarization switch is assembled at the other end of the waveguide.
The unfolding and folding mechanism 4 structurally comprises: the gland with the screw just right, be located that articulated have a plurality of reflection face ribs that are the circumference equipartition on the gland, the reflection face sky line shape of indent is constituteed to a plurality of reflection face ribs, the gland is provided with the internal thread, the gland passes through the screw to be fixed with the waveguide, is located to be furnished with the screw on the hollow lead screw, the screw with the gland just right, corresponding with every reflection face rib articulates at the screw has a plurality of connecting rods, the connecting rod one-to-one with reflection face rib hinge, reflection face rib, connecting rod, screw constitute one and spread and receive mechanism 4, the screw linear slides and drives the reflection face rib and fold or spread.
In order to ensure good reflectivity, a flexible reflection substrate is arranged on the inner surface of the reflection surface rib to form a flexible reflection surface, and the flexible reflection substrate is newly developed graphene composite material metal cloth. The material has a reflection coefficient of more than 90% in a working frequency band, has good flexibility and can be folded. An expansion hand wheel is concentrically fixed at one end of the hollow screw rod far away from the gland.
This mechanism is comparatively compact, in order to prevent that the product from taking place to interfere, and guarantee its integrated nature, it has annular protruding to be located the waveguide, lead screw one end cooperation be in annular protruding outside, the other end of lead screw links to each other with screw nut's outer lane, screw nut's inner circle gomphosis is in the recess that gland one side was reserved, the periphery at the waveguide is erect to the lead screw. The reducing end of loudspeaker form casing pass through the casing bearing hoop and be in on the lead screw, the flaring end of loudspeaker form with the reflecting surface rib corresponding have a plurality of notches that are used for direction reflecting surface rib, the root of every reflecting surface rib is all spacing in the notch, for guaranteeing well lie in and have the recess between loudspeaker form casing and the exhibition receipts hand wheel, it has the base snap ring to lie in this recess embedding, the support that has bent is stretched out to the bottom of base snap ring, is located and is furnished with the base on the support.
The mechanism rotates the extending and retracting hand wheel, then the lead screw rotates around the axis of the lead screw, so that the screw is driven to move up and down along the lead screw, the connecting rod and the reflecting surface rib are driven by the screw to rotate up and down, and the extending and retracting actions of the reflecting surface rib are realized.
The flexible reflecting surface is in a folded state, the antenna is in a thin shaft shape, the whole volume is small, and the storage and transportation operation are convenient.
In the folding and unfolding process, the hand wheel can drive the lead screw to rotate through rotating the hand wheel, the lead screw can drive the lead screw nut in the rotating process, the lead screw nut can advance or retreat, the lead screw nut can push or pull the vertex angle of the reflecting surface rib 5 through the connecting rod in the moving process, the hinged point of the reflecting surface rib 5 and the gland starts to rotate, and therefore the reflecting surface rib 5 is folded or diffused to realize integration.
Claims (6)
1. An umbrella-shaped portable satellite communication antenna comprises a waveguide, wherein one end of the waveguide is provided with a feed source, and the umbrella-shaped portable satellite communication antenna is characterized in that: the waveguide is concentrically fixed with a gland, the gland is right opposite to the nut, a plurality of reflecting surface ribs which are uniformly distributed on the circumference are hinged on the gland, the plurality of reflecting surface ribs form an inwards concave reflecting surface antenna shape, the inner surface of each reflecting surface rib is provided with a flexible reflecting base material to form a flexible reflecting surface, the periphery of the feed source is concentrically provided with a hollow lead screw, the end part of the hollow lead screw is connected with the gland, the nut is assembled on the hollow lead screw, the nut is right opposite to the gland, a plurality of connecting rods are hinged on the nut corresponding to each reflecting surface rib, the connecting rods are in one-to-one correspondence with the reflecting surface ribs and are hinged, the nut slides linearly to drive the reflecting surface ribs to fold or diffuse, and a folding and unfolding hand wheel is concentrically fixed at one end, far away from the gland, of the hollow.
2. An umbrella-shaped portable satellite communication antenna according to claim 1, wherein: the waveguide is provided with an annular bulge, one end of the lead screw is matched outside the annular bulge, the other end of the lead screw is connected with an outer ring of the lead screw nut, an inner ring of the lead screw nut is embedded in a groove reserved on one side of the gland, and the lead screw is erected on the periphery of the waveguide.
3. An umbrella-shaped portable satellite communications antenna as claimed in claim 2, wherein: still include tubaeform casing, tubaeform throat end pass through the casing bearing hoop on the lead screw, tubaeform flared end with the corresponding notch that has a plurality of being used for the direction plane of reflection rib of plane of reflection rib, the root of every plane of reflection rib all is spacing in the notch.
4. An umbrella-shaped portable satellite communication antenna according to claim 1, wherein: and the polarization switch is arranged at the other end of the waveguide.
5. An umbrella-shaped portable satellite communications antenna as claimed in claim 3, wherein: still include the base, be located and have the recess between tubaeform casing and the exhibition hand wheel, be located this recess and imbed the base snap ring, the support of bending is stretched out to the bottom of base snap ring, is located to be furnished with the base on the support.
6. An umbrella-shaped portable satellite communication antenna according to claim 1, wherein: a medium support is arranged at one end of the waveguide, and a stepped boss with an equal-ratio diameter increasing is formed in the medium support and faces to the inner cavity of the waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065163.7A CN110767994A (en) | 2019-11-04 | 2019-11-04 | Umbrella-shaped portable satellite communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065163.7A CN110767994A (en) | 2019-11-04 | 2019-11-04 | Umbrella-shaped portable satellite communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110767994A true CN110767994A (en) | 2020-02-07 |
Family
ID=69335627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911065163.7A Pending CN110767994A (en) | 2019-11-04 | 2019-11-04 | Umbrella-shaped portable satellite communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110767994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540998A (en) * | 2020-05-09 | 2020-08-14 | 刘发明 | Portable antenna applied to 5G mobile communication |
| CN112201963A (en) * | 2020-09-28 | 2021-01-08 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
-
2019
- 2019-11-04 CN CN201911065163.7A patent/CN110767994A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540998A (en) * | 2020-05-09 | 2020-08-14 | 刘发明 | Portable antenna applied to 5G mobile communication |
| CN112201963A (en) * | 2020-09-28 | 2021-01-08 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
| CN112201963B (en) * | 2020-09-28 | 2022-05-03 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
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