CN219998485U - Dual-frequency microwave transmission antenna feed source system - Google Patents
Dual-frequency microwave transmission antenna feed source system Download PDFInfo
- Publication number
- CN219998485U CN219998485U CN202223410078.XU CN202223410078U CN219998485U CN 219998485 U CN219998485 U CN 219998485U CN 202223410078 U CN202223410078 U CN 202223410078U CN 219998485 U CN219998485 U CN 219998485U
- Authority
- CN
- China
- Prior art keywords
- frequency
- cavity
- separator
- waveguide tube
- port
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 239000008358 core component Substances 0.000 abstract description 5
- 239000000306 component Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model discloses a double-frequency microwave transmission antenna feed system, which comprises a core component, wherein the core component comprises a separator, and a circular waveguide tube and a square waveguide tube are respectively arranged on the top and the side wall of the separator; the top of the separator is also fixedly provided with an antenna connecting disc, and the antenna connecting disc is sleeved outside the bottom end of the circular waveguide tube; the inside of the separator is provided with a first cavity and a second cavity which are mutually vertical and communicated, the bottom of the separator is provided with a high-frequency port, and the high-frequency port is communicated with the first cavity through a third cavity; the bottom of the separator is also fixedly connected with a high-frequency connector, the frequency range covered by the feed source system is wide, and the low-frequency part can comprise all conventional frequency bands of 13G-38G. These frequency bands can all form a double-frequency transmission feed source with the E-BANK frequency band, so that the technical problem of low frequency of the double-frequency microwave antenna in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of microwave antennas and microwave passive devices, and particularly relates to a microwave antenna feed system.
Background
The double-frequency microwave transmission antenna is a microwave transmission antenna shared by two sets of different frequency communication equipment. With the wide popularization and application of E-BANK microwave communication equipment, the original frequency coverage range of some double-frequency coplanar microwave antennas is narrower, only two frequency points of a Ku wave band are involved, and the frequency range selectable by customers is small. The user interface can only provide a fundamental mode of one polarization mode, and the types of devices carried by clients are single.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a microwave antenna feed system so as to solve the technical problem of low frequency of a double-frequency microwave antenna in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the double-frequency microwave transmission antenna feed source system comprises a core assembly, wherein the core assembly comprises a separator, and a circular waveguide tube and a square waveguide tube are respectively arranged on the top and the side wall of the separator; the top of the separator is also fixedly provided with an antenna connecting disc, and the antenna connecting disc is sleeved outside the bottom end of the circular waveguide tube;
the inside of the separator is provided with a first cavity and a second cavity which are mutually vertical and communicated, the bottom of the separator is provided with a high-frequency port, and the high-frequency port is communicated with the first cavity through a third cavity; the bottom of the separator is also fixedly connected with a high-frequency connector, and a fourth cavity which is coaxial with and communicated with the third cavity is arranged in the high-frequency connector;
one end of the circular waveguide tube is communicated with the first cavity, a radiation port is formed in the other end of the circular waveguide tube, a radiation assembly is arranged in the radiation port, the radiation assembly comprises a bowl-shaped radiator fixedly arranged at the radiation port and a high-frequency conductor, one end of the high-frequency conductor is fixedly arranged at the bottom of the bowl-shaped radiator, and the other end of the high-frequency conductor penetrates through the first cavity and the third cavity and then enters the fourth cavity;
one end of the square waveguide tube is communicated with the second cavity, and a low-frequency port is formed in the other end of the square waveguide tube; the other end of the square waveguide tube is fixedly connected with a low-frequency connector, and a fifth cavity communicated with the square waveguide tube is formed in the low-frequency connector.
The utility model also comprises the following technical characteristics:
the length of the circular waveguide tube is adjustable.
The length of the square waveguide tube can be adjusted.
The inner surface of the bowl-shaped radiator is coated with a metal layer.
The radiation port is fixedly connected with the bowl-shaped radiator through a liquid adhesive, and the top of the separator is fixedly connected with the circular waveguide tube through the liquid adhesive.
The separator is fixed with the square waveguide tube through bolts.
And a sealing ring is arranged between the separator and the square waveguide tube.
Compared with the prior art, the utility model has the beneficial technical effects that:
the feed source system of the utility model has wide frequency range, and the low frequency part can contain all the conventional frequency bands of 13G-38G. These frequency bands can all form a double-frequency transmission feed source with the E-BANK frequency band, so that the technical problem of low frequency of the double-frequency microwave antenna in the prior art is solved.
And (II) the feed source system adopts a normalized transmission form, the high-frequency port and the low-frequency port provide two orthogonal main modes (a te11 mode in a circular waveguide tube and a te10/te01 mode of a square waveguide tube), the port output selection of the main mode and the basic mode can be provided according to the actual demands of customers, the customers are allowed to use multi-type microwave devices, and convenience is provided for the network construction of the customers.
And (III) the dual-frequency antenna assembled by the feed source system has stable performance, low construction and maintenance cost, convenient installation, small required space and moderate cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a core assembly according to the present utility model;
FIG. 3 is a schematic diagram of a radiation assembly according to the present utility model;
fig. 4 is a schematic diagram of a specific application of the present utility model.
The meaning of each reference numeral in the figures is: 1-core component, 2-separator, 3-circular waveguide, 4-square waveguide, 5-antenna connection disc, 6-radiation component, 7-radiation port, 8-high frequency connector, 9-fourth cavity, 10-low frequency port, 11-low frequency connector, 12-fifth cavity, 13-antenna fixing plate, 14-antenna emission surface, 15-antenna cover plate, 16-antenna hanger, 17-high frequency connection disc, 18-low frequency connection disc, 19-sealing ring;
201-first cavity, 202-second cavity, 203-high frequency port, 204 third cavity;
601-bowl-shaped radiator, 602-high frequency conductor.
The following examples illustrate the utility model in further detail.
Detailed Description
All parts in the present utility model are known in the art, unless otherwise specified.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical scheme of the present utility model fall within the protection scope of the present utility model.
The utility model provides a double-frequency microwave transmission antenna feed system, which is shown in figures 1 to 3, and comprises a core component 1, wherein the core component 1 comprises a separator 2, and a circular waveguide tube 3 and a square waveguide tube 4 are respectively arranged on the top and the side wall of the separator 2; the top of the separator 2 is also fixedly provided with an antenna connecting disc 5, and the antenna connecting disc 5 is sleeved outside the bottom end of the circular waveguide tube 3;
the inside of the separator 2 is provided with a first cavity 201 and a second cavity 202 which are mutually vertical and communicated, the bottom of the separator 2 is provided with a high-frequency port 203, and the high-frequency port 203 is communicated with the first cavity 201 through a third cavity 204; the bottom of the separator 2 is also fixedly connected with a high-frequency joint 8, and a fourth cavity 9 which is coaxial with and communicated with the third cavity 204 is arranged in the high-frequency joint 8;
one end of the circular waveguide tube 3 is communicated with the first cavity 201, a radiation port 7 is formed in the other end of the circular waveguide tube 3, a radiation assembly 6 is arranged in the radiation port 7, the radiation assembly 6 comprises a bowl-shaped radiator 601 fixedly arranged at the radiation port 7 and a high-frequency conductor 602, one end of the high-frequency conductor 602 is fixedly arranged at the bottom of the bowl-shaped radiator 601, and the other end of the high-frequency conductor 602 passes through the first cavity 201 and the third cavity 204 and then enters the fourth cavity 9;
one end of the square waveguide tube 4 is communicated with the second cavity 202, and the other end of the square waveguide tube 4 is provided with a low-frequency port 10; the other end of the square waveguide tube 4 is fixedly connected with a low-frequency connector 11, and a fifth cavity 12 communicated with the square waveguide tube 4 is formed in the low-frequency connector 11.
In the above technical solution, the high frequency conductor 602 is a high frequency signal channel, and the bowl-shaped radiator 601, the high frequency conductor 602 and the high frequency port 203 form an E-BANK frequency band channel. The first cavity 201 not only supports the bowl-shaped radiator 601, so that the bowl-shaped radiator 601 is positioned at the correct position of the antenna system, but also is a low-frequency channel, and the first cavity 201, the second cavity 202, the low-frequency port 10 and the fifth cavity 12 form the low-frequency channel. The high-low frequency channel shares a radiator to transmit signals. The internal space of the low-frequency channel is fully utilized, the high-frequency channel is arranged, and the weight and the volume of the feed source system are greatly reduced.
And secondly, the frequency range covered by the feed system is wide, and the low-frequency part can comprise all conventional frequency bands of 13G-38G. These frequency bands can all form a double-frequency transmission feed source with the E-BANK frequency band, so that the technical problem of low frequency of the double-frequency microwave antenna in the prior art is solved. In addition, the feed system adopts a normalized transmission form, the high-frequency port and the low-frequency port provide two orthogonal main modes (a te11 mode in the circular waveguide tube and a te10/te01 mode of the square waveguide tube), the port output selection of the main mode and the fundamental mode can be provided according to the actual demands of customers, the customers are allowed to use multi-type microwave devices, and convenience is provided for the network construction of the customers.
Specifically, the length of the circular waveguide tube 3 can be adjusted to adapt to various caliber antenna reflecting surfaces, so that the virtual focus of the radiator is ensured to coincide with the focus of the reflecting surface, and the antenna system obtains better performance.
Specifically, the length of the square waveguide tube 4 is adjustable, so that a certain distance is kept between the high-frequency port and the low-frequency port of the feed source system, the space for simultaneously installing a plurality of sets of ODU communication equipment by a customer is met, and the defect that the size of the ODU equipment is limited by the existing structure is overcome.
Specifically, the inner surface of the bowl-shaped radiator 601 is coated with a metal layer for constituting the sub-reflecting surface.
Specifically, the radiation port 7 and the bowl-shaped radiator 601 are fixedly connected by a liquid adhesive, and the top of the separator 2 is fixedly connected with the circular waveguide 3 by the liquid adhesive.
In the above technical solution, the circular waveguide 3 is rotated before the adhesive is cured to make the internal cavity and the first cavity 201 completely concentric, so that concentricity errors are eliminated, not only is the operation flow simplified, but also the polarization separation characteristic of the feed system is greatly improved, and meanwhile, the sealing problem of the feed system is solved.
Specifically, the separator 2 is fixed to the square waveguide 4 by bolts. The concentricity error of the installation direction of the separator 2 and the square waveguide tube 4 is convenient to adjust.
Specifically, a sealing ring 19 is arranged between the separator 2 and the square waveguide tube 4, so that the sealing of the system is ensured.
Application example:
referring to fig. 4, in this example, various components are fixed on an antenna fixing plate 7, an antenna connecting plate 5 and an antenna emitting surface 8 are fixed on the front surface of the antenna fixing plate 7, a circular waveguide 3 and a bowl-shaped radiator 601 penetrate into the antenna reflecting surface 8, and form a semi-closed radiating unit together with an antenna cover plate 9. The antenna hanger 6 is installed on the left side of the antenna fixing plate 7, and fixes the whole antenna with the communication tower. The high-frequency connection pad 10 is mounted on the back of the antenna fixing pad 7 for mounting the customer E-BANK communication equipment. The low-frequency connection pad 11 is mounted on the right side of the antenna fixing pad 7 for mounting a customer low-frequency communication device.
Referring to fig. 4, in this example, various components are fixed on the antenna fixing plate 13, the antenna connecting plate 5 and the antenna emitting surface 14 are fixed on one side of the antenna fixing plate 13, the circular waveguide 3 and the bowl-shaped radiator 601 penetrate into the antenna emitting surface 14, and form a semi-closed radiating unit together with the antenna cover plate 15. The antenna hanger 16 is installed at the left side of the antenna fixing plate 13 to fix the whole antenna to the communication tower. A high-frequency land 17 is mounted on the back of the antenna mount 13 for mounting customer E-BANK communication equipment. A low frequency connection pad 18 is mounted on the right side of the antenna fixing pad 13 for mounting 18 a customer low frequency communication device.
Claims (7)
1. The double-frequency microwave transmission antenna feed system comprises a core assembly (1), and is characterized in that the core assembly (1) comprises a separator (2), and a circular waveguide tube (3) and a square waveguide tube (4) are respectively arranged on the top and the side wall of the separator (2); an antenna connecting disc (5) is fixedly arranged at the top of the separator (2), and the antenna connecting disc (5) is sleeved outside the bottom end of the circular waveguide tube (3);
the inside of the separator (2) is provided with a first cavity (201) and a second cavity (202) which are mutually vertical and communicated, the bottom of the separator (2) is provided with a high-frequency port (203), and the high-frequency port (203) is communicated with the first cavity (201) through a third cavity (204); the bottom of the separator (2) is also fixedly connected with a high-frequency joint (8), and a fourth cavity (9) which is coaxial and communicated with the third cavity (204) is formed in the high-frequency joint (8);
one end of the circular waveguide tube (3) is communicated with the first cavity (201), a radiation port (7) is formed in the other end of the circular waveguide tube (3), a radiation assembly (6) is arranged in the radiation port (7), the radiation assembly (6) comprises a bowl-shaped radiator (601) fixedly arranged at the radiation port (7) and a high-frequency conductor (602) with one end fixedly arranged at the bottom of the bowl-shaped radiator (601), and the other end of the high-frequency conductor (602) penetrates through the first cavity (201) and the third cavity (204) and then enters a fourth cavity (9);
one end of the square waveguide tube (4) is communicated with the second cavity (202), and a low-frequency port (10) is formed at the other end of the square waveguide tube (4); the other end of the square waveguide tube (4) is fixedly connected with a low-frequency connector (11), and a fifth cavity (12) communicated with the square waveguide tube (4) is formed in the low-frequency connector (11).
2. A dual-frequency microwave transmission antenna feed system as claimed in claim 1, characterized in that the length of the circular waveguide (3) is adjustable.
3. A dual-frequency microwave transmission antenna feed system as claimed in claim 1, characterized in that the length of the square waveguide (4) is adjustable.
4. The dual-frequency microwave transmission antenna feed system according to claim 1, wherein the inner surface of the bowl-shaped radiator (601) is coated with a metal layer.
5. The dual-frequency microwave transmission antenna feed system according to claim 1, wherein the radiation port (7) and the bowl-shaped radiator (601) are fixedly connected through a liquid adhesive, and the top of the separator (2) is fixedly connected with the circular waveguide tube (3) through the liquid adhesive.
6. The dual-frequency microwave transmission antenna feed system according to claim 1, wherein the splitter (2) is fixed to the square waveguide (4) by bolts.
7. The dual-frequency microwave transmission antenna feed system according to claim 1, wherein a sealing ring (19) is arranged between the separator (2) and the square waveguide tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223410078.XU CN219998485U (en) | 2022-12-19 | 2022-12-19 | Dual-frequency microwave transmission antenna feed source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223410078.XU CN219998485U (en) | 2022-12-19 | 2022-12-19 | Dual-frequency microwave transmission antenna feed source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998485U true CN219998485U (en) | 2023-11-10 |
Family
ID=88617192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223410078.XU Active CN219998485U (en) | 2022-12-19 | 2022-12-19 | Dual-frequency microwave transmission antenna feed source system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998485U (en) |
-
2022
- 2022-12-19 CN CN202223410078.XU patent/CN219998485U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1151590C (en) | Improved reflector antenna with a self-supported feed | |
| CN108736163B (en) | Ku frequency band balanced feed double-frequency dual-polarized dielectric horn antenna | |
| CN110289483B (en) | Double-frequency double-circular polarization navigation measurement and control antenna feed source | |
| CN107910650A (en) | A kind of dual-band antenna feed system and dual-band antenna | |
| US11329391B2 (en) | Enhanced directivity feed and feed array | |
| CN219998485U (en) | Dual-frequency microwave transmission antenna feed source system | |
| CN204538180U (en) | A kind of V-Band parabola formula plate aerial | |
| US10326213B2 (en) | Multi-band antenna for communication with multiple co-located satellites | |
| WO2022106828A1 (en) | A wireless transceiver having a high gain antenna arrangement | |
| CN112490674B (en) | Low-focal-diameter-ratio reflector antenna based on double-frequency feed source feed | |
| CN111200181B (en) | Response combined antenna compatible with omnidirectional communication and satellite navigation | |
| US4578681A (en) | Method and apparatus for optimizing feedhorn performance | |
| CN1115009C (en) | Feed source of corrugated horn for improving cross polarization characterisitics of offset parabolic antenna | |
| CN115621738B (en) | Microwave antenna feed structure and microwave antenna system | |
| CN210628506U (en) | Multi-network combined GNSS antenna | |
| CN112072250A (en) | Terahertz waveguide-coaxial conversion structure based on waveguide narrow-wall crank arm coaxial probe | |
| CN214951662U (en) | Radar level meter with variable beam angle | |
| WO2022141023A9 (en) | Suspension strip, phase shifter, and base station | |
| CN114300851A (en) | E-band dual-band short-focus parabolic antenna and wireless communication system | |
| CN104882660A (en) | C-frequency-band test coupler | |
| CN113375758A (en) | Radar level meter with variable beam angle | |
| KR101727961B1 (en) | Apparatus for communicating satellite signal | |
| CN219086234U (en) | Microwave antenna | |
| CN219267890U (en) | Portable high-gain antenna | |
| CN112421230B (en) | V-band omnidirectional transmitting-receiving measurement and control antenna, transmitting-receiving equipment and satellite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |