CN116387803A - Low-profile broadband dual-polarized metal dipole meter wave antenna - Google Patents
Low-profile broadband dual-polarized metal dipole meter wave antenna Download PDFInfo
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- CN116387803A CN116387803A CN202310096777.1A CN202310096777A CN116387803A CN 116387803 A CN116387803 A CN 116387803A CN 202310096777 A CN202310096777 A CN 202310096777A CN 116387803 A CN116387803 A CN 116387803A
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- 239000002184 metal Substances 0.000 title claims abstract description 59
- 230000010287 polarization Effects 0.000 claims abstract description 143
- 239000004020 conductor Substances 0.000 claims abstract description 81
- 230000009977 dual effect Effects 0.000 claims abstract description 8
- 230000003071 parasitic effect Effects 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001955 polyphenylene ether Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a low-profile broadband dual-polarized metal dipole meter wave antenna, which relates to the technical field of radar antennas and comprises the following components: a metal reflecting plate; a metal base; an antenna housing; the vertical polarization feed balun consists of a vertical polarization feed balun inner conductor, a vertical polarization feed balun left outer conductor and a vertical polarization feed balun right outer conductor; the horizontal polarization feed balun consists of a horizontal polarization feed balun inner conductor, a horizontal polarization feed balun left outer conductor and a horizontal polarization feed balun right outer conductor; the upper end of the left outer conductor of the horizontal polarization feed balun is of a C-shaped structure, and the top end of the vertical polarization feed balun is positioned in a C-shaped cavity of the C-shaped structure; a horizontally polarized vibrator arm; a vertically polarized vibrator arm; the horizontal polarized vibrator arm and the vertical polarized vibrator arm are sheet vibrators, and the bottom end of the horizontal polarized vibrator arm is a downward flanging structure vertical to the horizontal plane. The meter wave antenna adopts a novel feed balun structure and has the characteristics of dual polarization, large working bandwidth, high channel spacing and the like.
Description
Technical Field
The invention relates to the technical field of radar antennas, in particular to a low-profile broadband dual-polarized metal dipole meter wave antenna.
Background
With the rapid development and rapid putting into practice of stealth aircraft and unmanned stealth aircraft, demands for anti-stealth radar are increasing to deal with stealth target threats. The effective size of the stealth target is usually in the range of 0.5-5 meters, the wavelength range of the meter wave radar is 1-10 meters, the two are equivalent in size, scattered waves of the target are in a resonance area and a Rayleigh area, the appearance design of the stealth target cannot reduce the Radar Cross Section (RCS) of the meter wave radar, and the stealth advantage of the meter wave radar is more remarkable.
The meter wave antenna is an important component of the meter wave radar for transmitting and receiving electromagnetic wave signals. The main characteristics of the antenna, such as the operating bandwidth, polarization and structural form, are closely related to the performance of the radar. The main effects are as follows: (1) The larger the working bandwidth of the antenna is, the wider the frequency conversion range of the radar is, and the stronger the radar performance is; (2) The dual-polarized antenna is adopted, so that horizontal/vertical polarization components of scattered echoes of the stealth targets can be respectively received, and compared with the single-polarized antenna, the dual-polarized radar has more excellent detection stability, anti-interference capability, target identification and other performances; (3) Because the working frequency band is low, the structure size of the meter wave antenna is often larger, the section of the antenna is reduced, and the wind resistance and the transportation mobility of the antenna array surface can be effectively improved; (4) In the aspect of antenna power resistance, the metal dipole antenna has higher bearing power than the microstrip antenna, and can more easily meet the high-power requirement of the meter wave radar.
The meter wave antenna with the air plate line feed structure does not exist in the market, and the meter wave antenna has the characteristics of large working bandwidth, low section, high channel isolation and the like under the condition of meeting dual polarization. Therefore, the low-profile broadband dual-polarized metal dipole meter wave antenna integrating the dual-polarized antenna, the low-profile antenna, the broadband antenna and the high-channel isolation is designed, has the advantages of the four types of antennas, and has wide application prospect in meter wave radars.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a low-profile broadband dual-polarized metal dipole meter wave antenna, which solves the problem that the existing meter wave antenna cannot simultaneously meet multiple characteristics such as dual polarization, large working bandwidth, low profile and the like.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a low-profile broadband dual-polarized metal dipole meter wave antenna comprising:
a metal reflecting plate;
the metal base is fixedly connected to the surface of the metal reflecting plate;
the antenna housing is fixedly connected to the metal base;
the vertical polarization feed balun is positioned in the antenna housing and consists of a vertical polarization feed balun inner conductor, a vertical polarization feed balun left outer conductor and a vertical polarization feed balun right outer conductor;
the horizontal polarization feed balun is positioned in the antenna housing and consists of a horizontal polarization feed balun inner conductor, a horizontal polarization feed balun left outer conductor and a horizontal polarization feed balun right outer conductor;
the upper end of the left outer conductor of the horizontal polarization feed balun is of a C-shaped structure, and the top end of the vertical polarization feed balun is positioned in a C-shaped cavity of the C-shaped structure;
the vertical polarization feed balun and the horizontal polarization feed balun adopt an air plate line structure and are vertically crossed in the thickness direction of the air plate line;
the horizontal polarization vibrator arm is a sheet vibrator, and the bottom end of the horizontal polarization vibrator arm is a downward flanging structure vertical to the horizontal plane;
the vertical polarization vibrator arm is a sheet vibrator, the bottom end of the vertical polarization vibrator arm is of a downward flanging structure vertical to the horizontal plane, and the vertical polarization vibrator arm and the horizontal polarization vibrator arm are arranged in a staggered mode.
Preferably, the vertical polarization feed balun left outer conductor, the vertical polarization feed balun right outer conductor, the vertical polarization feed balun inner conductor, the horizontal polarization feed balun left outer conductor, the horizontal polarization feed balun right outer conductor and the horizontal polarization feed balun inner conductor are all fixedly connected through an inner medium support, and the vertical polarization feed balun and the horizontal polarization feed balun are fixedly connected through an outer medium support.
Preferably, the low-profile broadband dual-polarized metal dipole meter wave antenna further comprises:
the horizontal polarization radio frequency connector is connected with the inner conductor of the horizontal polarization feed balun;
and the inner conductor of the vertical polarization radio frequency connector is connected with the vertical polarization feed balun inner conductor.
Preferably, the top end of the left outer conductor of the horizontal polarization feed balun is provided with a horizontal left mounting position, the top end of the right outer conductor of the horizontal polarization feed balun is provided with a horizontal right mounting position, and the horizontal polarization vibrator arm is respectively mounted on the horizontal left mounting position and the horizontal right mounting position;
the top end of the left outer conductor of the vertical polarization feed balun is provided with a vertical left mounting position, the top end of the right outer conductor of the vertical polarization feed balun is provided with a vertical right mounting position, and the vertical polarization vibrator arm is respectively mounted on the vertical left mounting position and the vertical right mounting position.
Preferably, round holes are drilled in the surfaces of the horizontal polarized vibrator arm and the vertical polarized vibrator arm.
Preferably, the low-profile broadband dual-polarized metal dipole meter wave antenna further comprises:
and the parasitic rod is fixed on the metal reflecting plate through a screw.
Preferably, the antenna housing comprises an upper antenna housing and a lower antenna housing, and the upper antenna housing and the lower antenna housing are fixed through screws.
Preferably, the bottom of the lower radome is clamped on the metal base, and the clamping gap of the lower radome and the metal base is filled and sealed by waterproof glue.
Preferably, the media support is made of polytetrafluoroethylene.
Preferably, the radome is made of polyphenylene ether.
(III) beneficial effects
The invention provides a low-profile broadband dual-polarized metal dipole meter wave antenna. Compared with the prior art, the method has the following beneficial effects:
the feed balun of the antenna adopts an air plate line structure form and consists of a horizontal polarization feed balun and a vertical polarization feed balun, wherein the upper end of an outer conductor at the left side of the horizontal polarization feed balun is of a C-shaped structure, the upper end of the outer conductor bypasses the vertical polarization feed balun, and the two feed balun and the upper end of the outer conductor are vertically crossed in the thickness direction of the air plate line to form the dual-polarization feed balun. The structural design ensures dual polarization of the antenna and increases the isolation between the working bandwidth and the channels of the antenna;
the horizontal polarized vibrator arm and the vertical polarized vibrator arm are sheet vibrators, and compared with the traditional metal cylindrical vibrator, the sheet vibrators effectively reduce the slenderness ratio of the vibrators, so that the impedance of the antenna changes slowly along with the length of the antenna, and the broadband matching with the feed balun is realized. The bottom ends of the horizontal polarized vibrator arms and the vertical polarized vibrator arms adopt a downward vertical flanging structure, the space between the flanging bottom edge and the metal reflecting plate can be adjusted according to the actual working condition requirement to widen the bandwidth of the antenna, and the reduction of the section height of the antenna is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of an antenna unit in embodiments 1 and 2 of the present invention;
fig. 2 is a schematic structural diagram of an antenna cover in embodiments 1 and 2 of the present invention;
fig. 3 is a schematic diagram of a feeding balun structure of an antenna unit in embodiments 1 and 2 of the present invention;
fig. 4 is a schematic structural diagram of a vertically polarized feed balun in embodiments 1 and 2 of the present invention.
1, a metal reflecting plate; 2. a metal base; 3. an antenna housing; 31. an upper radome; 32. a lower radome; 4. vertically polarized feed balun; 41. a vertically polarized feed balun inner conductor; 42. a vertically polarized feed balun left side outer conductor; 421. a vertical left mounting position; 43. a vertically polarized feed balun right outer conductor; 431. a vertical right side mounting position; 5. horizontally polarized feed balun; 51. a horizontally polarized feed balun inner conductor; 52. a horizontally polarized feed balun left side outer conductor; 521. a C-shaped structure; 522. a horizontal left mounting position; 53. a horizontally polarized feed balun right outer conductor; 531. a horizontal right side mounting position; 6. an inner medium support; 7. an outer media support; 8. a horizontally polarized radio frequency connector; 9. a vertically polarized radio frequency connector; 10. a horizontally polarized vibrator arm; 11. a vertically polarized vibrator arm; 111. a round hole; 12. parasitic stems.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application solves the problem that the existing meter wave antenna cannot simultaneously meet multiple characteristics such as dual polarization, large working bandwidth, low profile and the like by providing the low-profile broadband dual-polarization metal dipole meter wave antenna, and achieves the effect of improving the anti-stealth effect of the meter wave radar.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1, 2, 3 and 4, the low-profile broadband dual-polarized metal dipole meter wave antenna comprises a metal reflecting plate 1, a metal base 2, a radome 3, a vertical polarization feed balun 4, a horizontal polarization feed balun 5, an inner medium support 6, an outer medium support 7, a horizontal polarization radio frequency connector 8, a vertical polarization radio frequency connector 9, a horizontal polarization vibrator arm 10, a vertical polarization vibrator arm 11 and a parasitic rod 12.
The metal base 2 is mounted on the surface of the metal reflecting plate 1 by screws and is located in the central area of the metal reflecting plate 1.
The antenna housing 3 comprises an upper antenna housing 31 and a lower antenna housing 32, wherein the upper antenna housing 31 and the lower antenna housing 32 are made of aluminum materials and are fixedly connected through screws; the contact surface between the upper radome 31 and the lower radome 32 is sealed with a sealing ring. The bottom of the lower radome 32 is clamped into the clamping groove on the upper surface of the metal base 2, and the clamping seam between the lower radome and the metal base 2 is sealed by waterproof glue.
The vertical polarization feed balun 4 and the horizontal polarization feed balun 5 are both positioned in the antenna housing 3, the vertical polarization feed balun 4 and the horizontal polarization feed balun 5 adopt an air plate line structure, are vertically crossed in the thickness direction of the air plate line, and are fixedly connected through an outer medium support 7.
The vertical polarization feed balun 4 includes a vertical polarization feed balun inner conductor 41, a vertical polarization feed balun left-side outer conductor 42, and a vertical polarization feed balun right-side outer conductor 43. The vertical polarization feed balun inner conductor 41 is located between the vertical polarization feed balun left side outer conductor 42 and the vertical polarization feed balun right side outer conductor 43, and the three are fixedly connected through the inner medium support 6. The top end of the vertical polarization feed balun left side outer conductor 42 is provided with a vertical left side mounting location 421, and the top end of the vertical polarization feed balun right side outer conductor 43 is provided with a vertical right side mounting location 431. The bottom of the vertical polarization feed balun 4 is provided with a vertical polarization radio frequency connector 9, and an inner conductor of the vertical polarization radio frequency connector 9 is connected with a vertical polarization feed balun inner conductor 41.
The horizontal polarization feed balun 5 includes a horizontal polarization feed balun inner conductor 51, a horizontal polarization feed balun left-side outer conductor 52, and a horizontal polarization feed balun right-side outer conductor 53. The horizontal polarization feed balun inner conductor 51 is positioned between the horizontal polarization feed balun left side outer conductor 52 and the horizontal polarization feed balun right side outer conductor 53, and the three are fixedly connected through the inner medium support 6. The top end of the left outer conductor 52 of the horizontally polarized feed balun is provided as a C-shaped structure 521, the C-shaped cavity of the C-shaped structure 521 containing the top of the vertically polarized feed balun 4. The horizontal polarization feed balun 5 and the vertical polarization feed balun 4 are fixedly connected through an outer medium support 7. The top end of the horizontal polarization feed balun left side outer conductor 52 is provided with a horizontal left side mounting location 522, and the top end of the horizontal polarization feed balun right side outer conductor 53 is provided with a horizontal right side mounting location 531. The bottom of the horizontal polarization feed balun 5 is provided with a horizontal polarization radio frequency connector 8, and an inner conductor of the horizontal polarization radio frequency connector 8 is connected with an inner conductor of the horizontal polarization feed balun 5.
There are two horizontal polarization vibrator arms 10, and two horizontal polarization vibrator arms 10 are respectively installed on the horizontal left side installation position 522 and the horizontal right side installation position 531. There are two vertical polarization vibrator arms 11, and the two vertical polarization vibrator arms 11 are respectively mounted on the vertical left mounting position 421 and the vertical right mounting position 431. The horizontal polarized vibrator arm 10 and the vertical polarized vibrator arm 11 are vertically crossed to form dual polarization. The horizontal polarized vibrator arm 10 and the vertical polarized vibrator arm 11 both adopt a sheet vibrator which is of a polygonal structure, and the bottom end of the sheet vibrator is of a downward vertical flanging structure, so that the slenderness ratio of the sheet vibrator is effectively reduced compared with that of a traditional metal cylindrical vibrator, the impedance of the antenna is slowly changed along with the length of the antenna, and the broadband matching with a feed balun is realized. The tail ends of the horizontal polarized vibrator arm 10 and the vertical polarized vibrator arm 11 adopt downward vertical flanging structures, the space between the flanging bottom edge and the metal reflecting plate 1 can be adjusted according to the actual working condition requirements to widen the bandwidth of the antenna, and the reduction of the section height of the antenna is realized.
The parasitic rods 12 are fixed on the metal reflecting plate 1 and are of a metal cylinder structure, four parasitic rods 12 are fixed at the edge of the metal reflecting plate 1 through screws and are respectively positioned at the outer edges of the two horizontal polarized vibrator arms 10 and the two vertical polarized vibrator arms 11, so that E-plane lobes of the vibrator antenna are widened, and the antenna width and angle scanning capability is improved, thereby improving the radiation performance of the antenna.
The implementation principle of the invention is as follows: the feed balun adopts an air plate line feed structure, the upper end of the left outer conductor of the antenna horizontal polarization feed balun 5 is of a C-shaped structure 521, the antenna bypasses the vertical polarization feed balun 4, and the vertical cross layout forms a dual-polarization feed structure.
Example 2
The low-profile broadband dual-polarized metal dipole meter wave antenna of the embodiment is based on the structure of embodiment 1, and the size, the material and the model of the structure are limited, specifically as follows:
the height of the meter wave antenna (comprising the height of the antenna housing 3) is 320mm, and the lowest positions of the horizontal polarized vibrator arm 10 and the vertical polarized vibrator arm 11 are 1100mm away from the metal reflecting plate; the diameters of round holes 111 formed in the horizontal polarized vibrator arm 10 and the vertical polarized vibrator arm 11 are 12mm; the diameter of the parasitic pole 12 is 20mm, and the height is 100mm; the inner medium support 6 and the outer medium support 7 are made of polytetrafluoroethylene materials, and the dielectric constant is 2.2; the radome 3 is made of polyphenyl ether material, and the dielectric constant is 2.8; both the vertical polarized rf connector 9 and the horizontal polarized rf connector 8 use TNC type rf connectors.
In summary, compared with the prior art, the method has the following beneficial effects:
1. the feed balun of the antenna adopts an air plate line structure form and consists of a horizontal polarization feed balun and a vertical polarization feed balun, wherein the upper end of an outer conductor at the left side of the horizontal polarization feed balun is of a C-shaped structure, the upper end of the outer conductor bypasses the vertical polarization feed balun, and the two feed balun and the upper end of the outer conductor are vertically crossed in the thickness direction of the air plate line to form the dual-polarization feed balun. The structure design ensures dual polarization of the antenna and increases the working bandwidth of the antenna and the isolation between channels.
2. The horizontal polarized vibrator arm and the vertical polarized vibrator arm are sheet vibrators, and compared with the traditional metal cylindrical vibrator, the sheet vibrators effectively reduce the slenderness ratio of the vibrators, so that the impedance of the antenna changes slowly along with the length of the antenna, and the broadband matching with the feed balun is realized. The bottom ends of the horizontal polarized vibrator arms and the vertical polarized vibrator arms adopt a downward vertical flanging structure, and the bandwidth of the antenna is widened by adjusting the distance between the flanging bottom and the metal reflecting plate, so that the reduction of the section height of the antenna is realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A low-profile broadband dual-polarized metal dipole meter wave antenna, comprising:
a metal reflecting plate;
the metal base is fixedly connected to the surface of the metal reflecting plate;
the antenna housing is fixedly connected to the metal base;
the vertical polarization feed balun is positioned in the antenna housing and consists of a vertical polarization feed balun inner conductor, a vertical polarization feed balun left outer conductor and a vertical polarization feed balun right outer conductor;
the horizontal polarization feed balun is positioned in the antenna housing and consists of a horizontal polarization feed balun inner conductor, a horizontal polarization feed balun left outer conductor and a horizontal polarization feed balun right outer conductor;
the upper end of the left outer conductor of the horizontal polarization feed balun is of a C-shaped structure, and the top end of the vertical polarization feed balun is positioned in a C-shaped cavity of the C-shaped structure;
the vertical polarization feed balun and the horizontal polarization feed balun adopt an air plate line structure and are vertically crossed in the thickness direction of the air plate line;
the horizontal polarization vibrator arm is a sheet vibrator, and the bottom end of the horizontal polarization vibrator arm is a downward flanging structure vertical to the horizontal plane;
the vertical polarization vibrator arm is a sheet vibrator, the bottom end of the vertical polarization vibrator arm is of a downward flanging structure vertical to the horizontal plane, and the vertical polarization vibrator arm and the horizontal polarization vibrator arm are arranged in a staggered mode.
2. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 1, wherein said vertical polarization feed balun left outer conductor, said vertical polarization feed balun right outer conductor, said vertical polarization feed balun inner conductor, and said horizontal polarization feed balun left outer conductor, said horizontal polarization feed balun right outer conductor, said horizontal polarization feed balun inner conductor are all secured by an inner dielectric support connection, and said vertical polarization feed balun and said horizontal polarization feed balun are secured by an outer dielectric support connection.
3. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 1, further comprising:
the horizontal polarization radio frequency connector is connected with the inner conductor of the horizontal polarization feed balun;
and the inner conductor of the vertical polarization radio frequency connector is connected with the vertical polarization feed balun inner conductor.
4. The low-profile broadband dual-polarized metal dipole meter wave antenna of claim 1, wherein a horizontal left mounting location is provided on a top end of the horizontal polarization feed balun left outer conductor, a horizontal right mounting location is provided on a top end of the horizontal polarization feed balun right outer conductor, and the horizontal polarization dipole arms are respectively mounted on the horizontal left mounting location and the horizontal right mounting location;
the top end of the left outer conductor of the vertical polarization feed balun is provided with a vertical left mounting position, the top end of the right outer conductor of the vertical polarization feed balun is provided with a vertical right mounting position, and the vertical polarization vibrator arm is respectively mounted on the vertical left mounting position and the vertical right mounting position.
5. The low-profile broadband dual-polarized metal dipole meter wave antenna of claim 1, wherein the surfaces of said horizontal polarized dipole arms and said vertical polarized dipole arms are each drilled with circular holes.
6. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 1, further comprising:
and the parasitic rod is fixed on the metal reflecting plate through a screw.
7. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 1, wherein said radome comprises an upper radome and a lower radome, said upper radome and said lower radome being secured by screws.
8. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 7, wherein the bottom of the lower radome is clamped on the metal base, and the clamping gap of the lower radome and the metal base is filled and sealed by waterproof glue.
9. The low profile broadband dual polarized metal dipole meter wave antenna of claim 1, wherein said dielectric support is made of polytetrafluoroethylene.
10. The low-profile broadband dual-polarized metal dipole meter-wave antenna of claim 1, wherein said radome is made of polyphenylene ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096777.1A CN116387803A (en) | 2023-02-10 | 2023-02-10 | Low-profile broadband dual-polarized metal dipole meter wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096777.1A CN116387803A (en) | 2023-02-10 | 2023-02-10 | Low-profile broadband dual-polarized metal dipole meter wave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116387803A true CN116387803A (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310096777.1A Pending CN116387803A (en) | 2023-02-10 | 2023-02-10 | Low-profile broadband dual-polarized metal dipole meter wave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116387803A (en) |
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2023
- 2023-02-10 CN CN202310096777.1A patent/CN116387803A/en active Pending
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