CN113451761A - Three-frequency-band wide-beam antenna - Google Patents
Three-frequency-band wide-beam antenna Download PDFInfo
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- CN113451761A CN113451761A CN202110891088.0A CN202110891088A CN113451761A CN 113451761 A CN113451761 A CN 113451761A CN 202110891088 A CN202110891088 A CN 202110891088A CN 113451761 A CN113451761 A CN 113451761A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000010586 diagram Methods 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000005281 nonmetallic glass Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a three-band wide beam antenna, and belongs to the technical field of antennas. The antenna comprises a low-frequency-band reflecting disc, a low-frequency-band antenna supporting structure, a low-frequency-band antenna oscillator, a multifunctional metal disc, a medium-high-frequency-band antenna supporting structure, a high-frequency-band antenna oscillator and a medium-frequency-band antenna oscillator. The antenna is provided with the multifunctional metal disc, not only can be used as a matching disc with a low-frequency-band antenna, but also can be used as a reflecting disc of a medium-high-frequency-band antenna, and the low-frequency-band antenna beams and the medium-high-frequency-band antenna beams are not influenced mutually, so that the respective wide beam performance is ensured. The invention has good performance of three-frequency-band wide beams, has stable phase directional diagram in the wide beams, and is suitable for being used as a ground station multi-band communication antenna and a multi-band measuring antenna.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a three-band wide beam antenna.
Background
In the communication field, there are several forms of wide beam antennas that can implement three-band or more-band operation, and although they have various characteristics in terms of performance, they all have some disadvantages:
1. the combination of a plurality of microstrip antennas realizes the multi-band operation. The multi-band antenna can work in three or more frequency bands, but the antennas in different frequency bands can be influenced mutually, so that the matching performance of the antenna can be influenced, and the wide beam performance of the antenna can be influenced.
2. The combination of a plurality of oscillator antennas realizes multi-band operation. The dual-band antenna can generally realize dual-band work, and the antennas of different frequency bands can mutually influence when three or more than three frequency bands work, so that the matching performance and the wide beam performance of the antennas are influenced.
Disclosure of Invention
In view of the above, the present invention provides a triple-band wide beam antenna. The antenna has good performance of three-frequency-band wide beams, has a stable phase directional diagram in the wide beams, and is suitable for being used as a ground station multi-band communication antenna and a multi-band measuring antenna.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a three-band wide beam antenna comprises a reflecting disc, a supporting structure and an antenna oscillator; the reflecting disc comprises a low-frequency-band reflecting disc (1) and a metal disc (4); the support structure comprises a low-frequency band antenna support structure (2) and a medium-high frequency band antenna support structure (5); the antenna element comprises a low-frequency-band antenna element (3), a medium-frequency-band antenna element (7) and a high-frequency-band antenna element (6);
the upper surface of the low-frequency-band reflecting disc is provided with a low-frequency-band antenna supporting structure, and the low-frequency-band antenna oscillator is fixed at the top of the low-frequency-band antenna supporting structure; the metal disc is fixed above the low-frequency-band antenna oscillator through a dielectric screw structure; the upper surface of the metal disc is provided with a medium-high frequency band antenna supporting structure, and the high-frequency band antenna oscillator is positioned at the top of the medium-high frequency band antenna supporting structure; the middle-frequency band antenna element is positioned at the top of the high-frequency band antenna element, and a space is formed between the middle-frequency band antenna element and the high-frequency band antenna element.
Furthermore, the low-frequency band antenna oscillator, the medium-frequency band antenna oscillator and the high-frequency band antenna oscillator are all cross structures.
Furthermore, the included angle of the projections of the medium-frequency band antenna oscillator and the high-frequency band antenna oscillator on the horizontal plane is 45 degrees.
Furthermore, four branches of the low-frequency antenna element are bent at 90 degrees.
Furthermore, the medium-frequency band antenna oscillator and the high-frequency band antenna oscillator are provided with dielectric bolts, and the medium-frequency band antenna oscillator and the high-frequency band antenna oscillator are provided with intervals through the dielectric bolts.
Furthermore, the low-frequency band antenna support structure and the medium-high frequency band antenna support structure are respectively positioned in the center of the reflecting disc, including the low-frequency band reflecting disc and the metal disc.
Furthermore, a dielectric bolt is arranged above the low-frequency-band antenna oscillator, and the metal disc is fixed above the low-frequency-band antenna oscillator through the matching of the dielectric bolt and the dielectric bolt.
Furthermore, the low-frequency band antenna element, the medium-frequency band antenna element and the high-frequency band antenna element are respectively connected with a coaxial cable or a coaxial connector.
The invention adopts the technical scheme to produce the beneficial effects that:
1. the multifunctional metal disc is arranged, so that the multifunctional metal disc not only can be used as a matching disc of the low-frequency-band antenna to enable the low-frequency-band antenna to achieve good matching performance, but also can be used as a reflecting disc of the medium-high-frequency-band antenna to enable the medium-high-frequency-band antenna to have a proper reflecting disc, and beams of the low-frequency-band antenna and the medium-high-frequency-band antenna are not influenced with each other, so that the respective wide beam performance is ensured.
2. The cross-shaped vibrator of the high-frequency band antenna and the cross-shaped vibrator of the medium-frequency band antenna are arranged at an included angle of 45 degrees, wave beams of the cross-shaped vibrator are not affected with each other, and the performance of respective wide wave beams is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a three-band wide-beam antenna according to an embodiment of the present invention.
In the figure: 1. the antenna comprises a low-frequency-band reflecting disc, 2 a low-frequency-band antenna supporting structure, 3 a low-frequency-band antenna oscillator, 4 a metal disc, 5 a medium-high-frequency-band antenna supporting structure, 6 a high-frequency-band antenna oscillator and 7 a medium-frequency-band antenna oscillator.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
A three-band wide-beam antenna comprises a low-band reflecting disc 1, a low-band antenna supporting structure 2, a low-band antenna oscillator 3, a multifunctional metal disc 4, a middle-high band antenna supporting structure 5, a high-band antenna oscillator 6 and a middle-band antenna oscillator 7.
The low-frequency band reflector is located at the lowest part of the three-frequency band antenna, the low-frequency band antenna supporting structure is fixed above the low-frequency band reflector through screws, the low-frequency band antenna oscillator is of a cross structure and fixed above the low-frequency band antenna supporting structure through screws, and the multifunctional metal disc is fixed above the low-frequency band antenna oscillator through dielectric screws. The low-frequency-band antenna comprises a low-frequency-band reflecting disc, a low-frequency-band antenna supporting structure, a low-frequency-band antenna oscillator and a multifunctional metal disc, wherein the low-frequency-band antenna is formed by the low-frequency-band reflecting disc, the low-frequency-band antenna oscillator and the multifunctional metal disc together, and the distance between the low-frequency-band reflecting disc and the low-frequency-band antenna oscillator can be adjusted as required, so that the low-frequency-band antenna can form the required wide beam performance.
The middle-high frequency band antenna supporting structure is fixed above the multifunctional metal disc through screws, the high-frequency band antenna oscillator is of a cross structure and fixed above the middle-high frequency band antenna supporting structure through screws, the multifunctional metal disc, the middle-high frequency band antenna supporting structure and the high-frequency band antenna oscillator jointly form the high-frequency band antenna, and the distance between the multifunctional metal disc and the high-frequency band antenna oscillator can be adjusted as required, so that the high-frequency band antenna can form the required wide beam performance.
The medium-frequency band antenna oscillator is of a cross structure and is fixed at a position, higher than the high-frequency band antenna oscillator, above the medium-frequency band antenna supporting structure through screws, the cross structure and the cross structure of the high-frequency band antenna oscillator are arranged at an angle of 45 degrees, the multifunctional metal disc, the medium-frequency band antenna supporting structure and the medium-frequency band antenna oscillator jointly form a medium-frequency band antenna, and the distance between the multifunctional metal disc and the medium-frequency band antenna oscillator can be adjusted as required, so that the medium-frequency band antenna can form the required wide beam performance.
The low-frequency band antenna element, the medium-frequency band antenna element and the high-frequency band antenna element can be respectively connected with a coaxial cable or a coaxial connector according to use requirements and connected with a receiver or a transmitter of each frequency band, so that the receiving or transmitting function of each frequency band is realized.
The following is a more specific example:
referring to fig. 1, the present embodiment operates at 400MHz (low band) of the P band, 1400MHz (middle band) of the L band, and 2100MHz (high band) of the S band, respectively. The three-frequency-band antenna consists of a low-frequency-band reflecting disc, a low-frequency-band antenna supporting structure, a low-frequency-band antenna oscillator, a multifunctional metal disc, a medium-high-frequency-band antenna supporting structure, a high-frequency-band antenna oscillator and a medium-frequency-band antenna oscillator.
The low-frequency band reflector is located the bottom of the three-frequency band antenna, the low-frequency band antenna supporting structure adopts 4 nonmetallic glass steel tubes, the lower portion of the low-frequency band antenna supporting structure is fixed above the low-frequency band reflector through screws, the low-frequency band antenna oscillator adopts a metal aluminum material and is of a cross-shaped cross structure, the low-frequency band antenna supporting structure is fixed above the low-frequency band antenna supporting structure through screws, and the multifunctional metal disc adopts a metal aluminum material and is fixed above the low-frequency band antenna oscillator through dielectric screws.
In the embodiment, the low frequency band works in the P frequency band, the size of the antenna element is larger, 4 crossed elements are bent at 90 degrees, and the purpose is to reduce the size of the antenna.
The low-frequency band antenna comprises a low-frequency band reflecting disc, a low-frequency band antenna supporting structure, a low-frequency band antenna oscillator and a multifunctional metal disc, wherein the low-frequency band antenna works in a P frequency band, and the distance between the low-frequency band reflecting disc and the low-frequency band antenna oscillator can be adjusted as required, so that the low-frequency band antenna forms the required wide beam performance.
The middle and high frequency band antenna supporting structure adopts 4 nonmetallic glass steel tubes, the lower part of the middle and high frequency band antenna supporting structure is fixed above the multifunctional metal disc through screws, the high frequency band antenna oscillator adopts a metal aluminum material and is of a cross structure and fixed above the middle and high frequency band antenna supporting structure through screws, the multifunctional metal disc, the middle and high frequency band antenna supporting structure and the high frequency band antenna oscillator jointly form the high frequency band antenna, the high frequency band antenna works in an S frequency band, the space between the multifunctional metal disc and the high frequency band antenna oscillator can be adjusted as required, and the high frequency band antenna is enabled to form the required wide beam performance.
The medium-frequency band antenna oscillator is made of a metal aluminum material and is of a cross structure, the position, higher than the high-frequency band antenna oscillator, above the medium-frequency band antenna supporting structure is fixed through screws, the cross structure of the cross structure and the cross structure of the high-frequency band antenna oscillator are arranged at 45 degrees, the multifunctional metal disc, the medium-frequency band antenna supporting structure and the medium-frequency band antenna oscillator jointly form a medium-frequency band antenna, the working frequency band antenna works in an L frequency band in the embodiment, the distance between the multifunctional metal disc and the medium-frequency band antenna oscillator can be adjusted as required, and the medium-frequency band antenna is enabled to form required wide beam performance.
The low-frequency band antenna element, the medium-frequency band antenna element and the high-frequency band antenna element can be respectively connected with a coaxial cable or a coaxial connector according to use requirements and connected with a receiver or a transmitter of each frequency band, so that the receiving or transmitting function of each frequency band is realized.
The working principle of the invention is as follows: the low-frequency-band antenna comprises a low-frequency-band reflecting disc, a low-frequency-band antenna supporting structure, a low-frequency-band antenna oscillator and a multifunctional metal disc, wherein the low-frequency-band antenna oscillator is connected with a coaxial cable or a coaxial connector and is connected with a receiver or a transmitter of a low frequency band, and the receiving or transmitting function of the low frequency band is realized. The multifunctional metal disc, the medium-high frequency band antenna supporting structure and the high-frequency band antenna oscillator jointly form the high-frequency band antenna, and the high-frequency band antenna oscillator is connected with a coaxial cable or a coaxial connector and is connected with a high-frequency band receiver or transmitter to achieve the high-frequency band receiving or transmitting function. The multifunctional metal disc, the medium-high frequency band antenna supporting structure and the medium-frequency band antenna oscillator jointly form a medium-frequency band antenna, and the medium-frequency band antenna oscillator is connected with a coaxial cable or a coaxial connector and is connected with a receiver or a transmitter of a medium-frequency band, so that the receiving or transmitting function of the medium-frequency band is realized.
In a word, the multifunctional metal disc is arranged, and has double functions of the low-frequency-band antenna matching disc and the medium-high-frequency-band antenna reflecting disc, so that the low-frequency-band antenna achieves good matching performance, the medium-high-frequency-band antenna has a proper reflecting disc, the low-frequency-band antenna beams and the medium-high-frequency-band antenna beams are not influenced mutually, and the respective wide beam performance is ensured. The antenna has good performance of three-frequency-band wide beams, has a stable phase directional diagram in the wide beams, and is suitable for being used as a ground station multi-band communication antenna and a multi-band measuring antenna.
Claims (8)
1. A three-band wide beam antenna comprises a reflecting disc, a supporting structure and an antenna oscillator; the reflecting disc is characterized by comprising a low-frequency-band reflecting disc (1) and a metal disc (4); the support structure comprises a low-frequency band antenna support structure (2) and a medium-high frequency band antenna support structure (5); the antenna element comprises a low-frequency-band antenna element (3), a medium-frequency-band antenna element (7) and a high-frequency-band antenna element (6);
the upper surface of the low-frequency-band reflecting disc is provided with a low-frequency-band antenna supporting structure, and the low-frequency-band antenna oscillator is fixed at the top of the low-frequency-band antenna supporting structure; the metal disc is fixed above the low-frequency-band antenna oscillator through a dielectric screw structure; the upper surface of the metal disc is provided with a medium-high frequency band antenna supporting structure, and the high-frequency band antenna oscillator is positioned at the top of the medium-high frequency band antenna supporting structure; the middle-frequency band antenna element is positioned at the top of the high-frequency band antenna element, and a space is formed between the middle-frequency band antenna element and the high-frequency band antenna element.
2. The triple-band wide beam antenna according to claim 1, wherein the low-band antenna element, the middle-band antenna element and the high-band antenna element are all cross structures.
3. The triple-band wide beam antenna according to claim 2, wherein the included angle between the projections of the medium-band antenna element and the high-band antenna element on the horizontal plane is 45 °.
4. The triple-band wide beam antenna according to claim 2, wherein four branches of the low-band antenna element are bent at 90 degrees.
5. The antenna of claim 1, wherein the medium-band antenna element and the high-band antenna element are provided with dielectric bolts, and the medium-band antenna element and the high-band antenna element are spaced apart from each other by the dielectric bolts.
6. The triple-band wide beam antenna of claim 1, wherein the low band antenna support structure and the medium and high band antenna support structure are located at the center of the reflector plate, including the low band reflector plate and the metal disk, respectively.
7. The three-band wide beam antenna according to claim 1, wherein a dielectric bolt is arranged above the low-band antenna element, and the metal disc is fixed above the low-band antenna element through the cooperation of the dielectric bolt and the dielectric bolt.
8. The triple-band wide beam antenna according to claim 1, wherein the low-band antenna element, the medium-band antenna element and the high-band antenna element are respectively connected to a coaxial cable or a coaxial connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110891088.0A CN113451761A (en) | 2021-08-04 | 2021-08-04 | Three-frequency-band wide-beam antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110891088.0A CN113451761A (en) | 2021-08-04 | 2021-08-04 | Three-frequency-band wide-beam antenna |
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| Publication Number | Publication Date |
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| CN113451761A true CN113451761A (en) | 2021-09-28 |
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| CN202110891088.0A Pending CN113451761A (en) | 2021-08-04 | 2021-08-04 | Three-frequency-band wide-beam antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074791A (en) * | 2010-10-25 | 2011-05-25 | 西安电子科技大学 | Full-band wide-wave beam GPS (Global Position System) antenna |
| CN106711591A (en) * | 2017-02-13 | 2017-05-24 | 上海资誉电子科技有限公司 | Metal cavity and antenna |
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN111029769A (en) * | 2019-12-26 | 2020-04-17 | 佛山市波谱达通信科技有限公司 | 5G multi-frequency sharing rectangular wave beam spotlight antenna |
| CN215497069U (en) * | 2021-08-04 | 2022-01-11 | 河北超维通信设备有限公司 | Three-frequency-band wide-beam antenna |
-
2021
- 2021-08-04 CN CN202110891088.0A patent/CN113451761A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074791A (en) * | 2010-10-25 | 2011-05-25 | 西安电子科技大学 | Full-band wide-wave beam GPS (Global Position System) antenna |
| CN106711591A (en) * | 2017-02-13 | 2017-05-24 | 上海资誉电子科技有限公司 | Metal cavity and antenna |
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN111029769A (en) * | 2019-12-26 | 2020-04-17 | 佛山市波谱达通信科技有限公司 | 5G multi-frequency sharing rectangular wave beam spotlight antenna |
| CN215497069U (en) * | 2021-08-04 | 2022-01-11 | 河北超维通信设备有限公司 | Three-frequency-band wide-beam antenna |
Non-Patent Citations (1)
| Title |
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| 王海;路志勇;: "具有稳定相位中心的双频段宽波束天线", 河北省科学院学报, no. 02, 15 June 2016 (2016-06-15), pages 58 - 62 * |
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