CN113851835B - Horizontal omnidirectional circularly polarized antenna - Google Patents
Horizontal omnidirectional circularly polarized antenna Download PDFInfo
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- CN113851835B CN113851835B CN202111451788.4A CN202111451788A CN113851835B CN 113851835 B CN113851835 B CN 113851835B CN 202111451788 A CN202111451788 A CN 202111451788A CN 113851835 B CN113851835 B CN 113851835B
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- antenna
- polarized antenna
- polarization
- bottom plate
- circularly polarized
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
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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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
Abstract
The invention discloses a horizontal omnidirectional circularly polarized antenna, which comprises a bottom plate, an output connector arranged at the lower end of the bottom plate, a vertical polarized antenna arranged at the upper end of the bottom plate and a polarized antenna housing arranged at the upper end of the bottom plate and sleeved outside the vertical polarized antenna, wherein the output connector upwards penetrates through the bottom plate and is connected with the vertical polarized antenna; the spiral metal polarization grid can convert linearly polarized electromagnetic waves into circularly polarized electromagnetic waves, so that a high-gain horizontal omnidirectional circularly polarized antenna with light weight and high reliability is formed, and the circular polarization characteristic is realized by using a very simple structure.
Description
Technical Field
The invention belongs to the field of antennas, and particularly relates to a horizontal omnidirectional circularly polarized antenna.
Background
An antenna is a device used for radiating and receiving electromagnetic waves in radio equipment, and is one of indispensable components of radio communication, radar, navigation, remote sensing, remote measuring, radio astronomy, electronic countermeasure and the like; there are two types of polarization modes of satellite receiving antennas: one is linear polarization and the other is circular polarization; wherein, the linear polarization mode is divided into horizontal polarization and vertical polarization; the existing horizontal omnidirectional circularly polarized antenna adopts clover and clover forms to realize circular polarization, and antenna gain is difficult to synthesize high gain; or the circular polarized array antenna is arranged in a relatively complex annular mode by adopting a common network, the diameter ratio is relatively large, and the cost is relatively high.
Disclosure of Invention
The invention aims to provide a horizontal omnidirectional circularly polarized antenna which has the characteristics of light weight, high reliability and high gain.
In order to solve the technical problems, the invention aims to realize the following technical scheme: the utility model provides a circular polarized antenna of horizontal qxcomm technology, includes the bottom plate, locates the output connector of bottom plate lower extreme, locate the vertical polarization antenna of bottom plate upper end and locating bottom plate upper end and cover are established the outside polarization antenna house of vertical polarization antenna, the output connector upwards passes the bottom plate and with the vertical polarization antenna is connected, the shape of polarization antenna house is the cavity tubulose, the vertical polarization antenna is located the axle center position department of polarization antenna house, the slope covers on the surface of polarization antenna house and is equipped with a plurality of metal polarization bars, and is a plurality of the metal polarization bar is arranged in proper order and is the rotatory rise of grid form spiral.
Furthermore, a connecting flange is arranged at the upper end of the bottom plate, and the vertical polarization antenna is fixedly arranged on the connecting flange.
Furthermore, a fixing seat is arranged on the connecting flange, and the vertical polarization antenna is fixedly arranged on the fixing seat.
Further, the top of vertical polarization antenna is equipped with the fixed disk, polarization antenna cover sleeve is established flange with between the fixed disk.
Furthermore, the metal polarization grid is made of copper.
Further, an included angle between the metal polarization grid and the bottom plate is 45 degrees.
Furthermore, the vertical polarization antenna comprises a substrate and four H-shaped antenna oscillators arranged on the substrate, and the four H-shaped antenna oscillators are connected in parallel after being connected in series in pairs.
The invention has the following beneficial effects:
the inner core of the horizontal omnidirectional circularly polarized antenna is a vertical polarized antenna, the outer cover adopts a polarized antenna housing, and linearly polarized electromagnetic waves can be converted into circularly polarized electromagnetic waves through the spiral metal polarized grid, so that the horizontal omnidirectional circularly polarized antenna with light weight and high reliability is formed, and the circular polarization characteristic is realized by utilizing a very simple structure; and can realize the horizontal right-handed circular polarized antenna or horizontal left-handed circular polarized antenna by selecting the spiral rotation mode of the right-handed or left-handed metal polarization grids, and can realize the change of the circular polarized electromagnetic wave frequency by changing the length and the width of the metal polarization grids and the distance between two adjacent metal polarization grids.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a horizontal omnidirectional circularly polarized antenna according to an embodiment of the present invention;
fig. 2 is a front view of a horizontal omnidirectional circularly polarized antenna according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a horizontal omnidirectional circularly polarized antenna provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of the horizontal omnidirectional circularly polarized antenna provided by the embodiment of the present invention, where a polarized radome is removed.
The labels in the figures illustrate:
the antenna comprises a base plate 1, an output connector 2, a vertical polarization antenna 3, a polarization antenna housing 4, a metal polarization grid 5, a connecting flange 11, a fixed seat 12, a bolt 13, a nut 14, a screw 15, a fixed disk 31, a substrate 32 and an antenna oscillator 33-H.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Examples
Referring to fig. 1-4, an embodiment of the invention provides a horizontal omnidirectional circularly polarized antenna, which includes a bottom plate 1, an output connector 2 disposed at a lower end of the bottom plate 1, a vertical polarized antenna 3 disposed at an upper end of the bottom plate 1, and a polarized antenna housing 4 disposed at an upper end of the bottom plate 1 and sleeved outside the vertical polarized antenna 3, where the output connector 2 upwardly penetrates through the bottom plate 1 and is connected with the vertical polarized antenna 3, the polarized antenna housing 4 is in a hollow tubular shape, the vertical polarized antenna 3 is located at an axial position of the polarized antenna housing 4, a plurality of metal polarized gratings 5 are obliquely covered on an outer surface of the polarized antenna housing 4, and the plurality of metal polarized gratings 5 are sequentially arranged and spirally rotate in a grid shape to rise.
Through the structure, in practical application, the inner core of the horizontal omnidirectional circularly polarized antenna is the vertical polarized antenna 3, the polarized antenna housing 4 is adopted as the outer cover, and the linearly polarized electromagnetic waves can be converted into circularly polarized electromagnetic waves through the spiral metal polarized grid 5, so that the high-gain horizontal omnidirectional circularly polarized antenna with light weight and high reliability is formed, and the circular polarization characteristic is realized by utilizing a very simple structure; and can realize the horizontal right-handed circular polarized antenna or horizontal left-handed circular polarized antenna by selecting the spiral rotation mode of the right-handed or left-handed metal polarization grid 5, and can realize the change of the circular polarized electromagnetic wave frequency by changing the length and the width of the metal polarization grid 5 and the distance between two adjacent metal polarization grids 5.
Further, a connecting flange 11 is arranged at the upper end of the bottom plate 1, the connecting flange 11 is fixed on the bottom plate 1 through four screws 15, a fixing seat 12 for installing the vertical polarization antenna 3 is arranged at the middle position of the upper end of the connecting flange 11, the vertical polarization antenna 3 is arranged on the fixing seat 12 and is fixed through a bolt 13 and a nut 14, and therefore the vertical polarization antenna 3 is vertically arranged at the middle position of the connecting flange 11.
Furthermore, a fixed disk 31 is arranged at the top end of the vertical polarization antenna 3, the polarization antenna housing 4 is sleeved between the connecting flange 11 and the fixed disk 31, the polarization antenna housing 4 can be fixed by the connecting flange 11 and the fixed disk 31 to a certain limit, and the vertical polarization antenna 3 is vertically arranged at the middle position of the connecting flange 11, so that the vertical polarization antenna 3 can be ensured to be positioned at the axis position of the polarization antenna housing 4,
furthermore, the metal polarization grid 5 is made of copper, an included angle between the metal polarization grid 5 and the bottom plate 1 is 45 degrees, the rotation direction of the metal polarization grid 5 is right-handed, the length of the metal polarization grid 5 is 45mm, the width of the metal polarization grid 5 is 1mm, and the distance between every two adjacent metal polarization grids 5 is 2 mm.
Further, the vertical polarization antenna 3 comprises a substrate 32 and four H-shaped antenna elements 33 arranged on the substrate 32, the four H-shaped antenna elements 33 are connected in parallel after being connected in series in pairs, and the substrate 32 has a thickness of 1mm, a width of 30mm and a height of 450 mm.
Further, the diameter of the polarized radome 4 is 40mm, and the height thereof is 500 mm.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A horizontal omnidirectional circularly polarized antenna is characterized in that: including the bottom plate, locate the output connector of bottom plate lower extreme, locate the vertical polarization antenna of bottom plate upper end and locating bottom plate upper end and cover are established the outside polarization antenna house of vertical polarization antenna, the output connector upwards passes the bottom plate and with the vertical polarization antenna is connected, the shape of polarization antenna house is the cavity tubulose, the vertical polarization antenna is located the axle center position department of polarization antenna house, the slope covers on the surface of polarization antenna house and is equipped with a plurality of metal polarization bars, a plurality of metal polarization bars are arranged in proper order and are the rotatory rise of grid form spiral.
2. The horizontal omni-directional circularly polarized antenna according to claim 1, wherein a connecting flange is provided at an upper end of the base plate, and the vertical polarized antenna is fixedly provided on the connecting flange.
3. The horizontal omni-directional circularly polarized antenna of claim 2, wherein the connecting flange is provided with a fixing seat, and the vertical polarized antenna is fixedly arranged on the fixing seat.
4. The horizontal omnidirectional circularly polarized antenna of claim 3, wherein a fixed disk is disposed on the top end of the vertical polarized antenna, and the polarized antenna housing is sleeved between the connecting flange and the fixed disk.
5. The horizontal omni-directional circularly polarized antenna of claim 4, wherein the metal polarization grating is made of copper.
6. The horizontal, omnidirectional circularly polarized antenna of claim 5, wherein an angle between said metal polarization grating and said backplane is 45 °.
7. The horizontal omnidirectional circularly polarized antenna of claim 6, wherein the vertical polarized antenna comprises a substrate and four H-shaped antenna elements arranged on the substrate, and the four H-shaped antenna elements are connected in parallel after being connected in series two by two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451788.4A CN113851835B (en) | 2021-12-01 | 2021-12-01 | Horizontal omnidirectional circularly polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451788.4A CN113851835B (en) | 2021-12-01 | 2021-12-01 | Horizontal omnidirectional circularly polarized antenna |
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| CN113851835A CN113851835A (en) | 2021-12-28 |
| CN113851835B true CN113851835B (en) | 2022-03-11 |
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| CN113851835A (en) | 2021-12-28 |
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