CN109524792A - A kind of feedforward microwave-infrared complex reflex surface antenna - Google Patents
A kind of feedforward microwave-infrared complex reflex surface antenna Download PDFInfo
- Publication number
- CN109524792A CN109524792A CN201811345234.4A CN201811345234A CN109524792A CN 109524792 A CN109524792 A CN 109524792A CN 201811345234 A CN201811345234 A CN 201811345234A CN 109524792 A CN109524792 A CN 109524792A
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- CN
- China
- Prior art keywords
- microwave
- primary mirror
- mirror
- reflection
- infrared
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
-
- 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
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a kind of feedforward microwave-infrared complex reflex surface antennas, it include: that reflection primary mirror (2), reflection secondary mirror (3), secondary mirror fixed bracket (4), microwave feeding source (5) and feed are fixed bracket (6), further includes: transmission primary mirror (1).Entire reflector antenna divides three levels from the bottom to top, and bottom is reflection primary mirror (2) and transmission primary mirror (1), is that a paraboloidal outer ring and central part, the two link together respectively, is in appearance a complete paraboloid.Reflection primary mirror (2) material is metal, and transmission primary mirror (1) material is microwave reflection, the material for transmiting infrared ray.It reflects above secondary mirror (3) and places microwave feeding source (5), and be secured together to by microwave feeding source bracket (6) and reflection primary mirror (2).Reflection secondary mirror bracket (4) and microwave feeding source bracket (6) shape be it is rodlike, material is nylon.The present invention can be realized the microwave-infrared combined use of the face Gao Kou utilization rate.
Description
Technical field
The present invention relates to a kind of complex reflex surface antenna, especially a kind of feedforward microwave-infrared complex reflex surface antenna.
Background technique
With the continuous development of Optoelectronic Countermeasure Technology, the radar of single-mode is more difficult to adapt to modern complicated photoelectricity pair
Environment resistant, multimode radar technology are come into being.Microwave/infrared imaging composite radar is the important development direction of composite radar, micro-
Wave/infrared imaging composite radar has the advantages that obtaining high abundant information, tracking accuracy, strong antijamming capability, becomes compound
The important development direction of Radar Technology development.Existing microwave/infrared combined antenna mainly uses reflector antenna center to dig a hole
Cooperate the form of infrared detection head, the antenna of this form causes antenna aperture utilization rate low, and cannot be very due to digging a hole centre
The performance for combining infrared detection head well forms more limitation to the design of microwave antenna, infrared detection head.
Summary of the invention
It is an object of that present invention to provide a kind of feedforward microwave-infrared complex reflex surface antennas, and it is compound to solve existing microwave-infrared
Antenna causes antenna aperture utilization rate low since centre is dug a hole, and cannot combine the performance of infrared detection head well, right
The problem of design of microwave antenna, infrared detection head forms more limitation.
A kind of feedforward microwave-infrared complex reflex surface antenna, comprising: reflection primary mirror reflects the fixed bracket of secondary mirror, secondary mirror, is micro-
Wave feed and the fixed bracket of feed, further includes: transmission primary mirror.
Reflector antenna divides three levels, transmission primary mirror, reflection secondary mirror and the axis coincidence for reflecting secondary mirror from the bottom to top.
Lower layer is reflection primary mirror and transmission primary mirror, and reflection primary mirror is the paraboloid of center aperture, and transmission primary mirror is placed in aperture
Place, reflection primary mirror are connected with transmission primary mirror, and reflection primary mirror and transmission primary mirror form a complete paraboloid.
Middle layer places reflection secondary mirror, and reflection secondary mirror is fixed by the fixed bracket of secondary mirror with the outer ring for reflecting primary mirror.
Microwave feeding source is placed on upper layer, and microwave feeding source is fixed by the fixed bracket of feed with the outer ring for reflecting primary mirror, microwave feedback
The material in source is metal.
The material for reflecting primary mirror is metal, and surface coats infrared reflecting paint.Transmiting primary mirror is that surface is coated with metal
The germainium lens of reticular structure.Reflection secondary mirror is the germainium lens for projecting microwave.
Preferably, reflection secondary mirror is the reflecting mirror of double-curved shapes.
Preferably, it is rodlike to be that shape is for the fixed bracket of secondary mirror, and material is nylon.
Preferably, the support bracket fastened number of secondary mirror is 3-5.
Preferably, it is rodlike to be that shape is for the fixed bracket of feed, and material is nylon.
Preferably, the support bracket fastened number of feed is 3-5.
Preferably, microwave feeding source is corrugation loudspeaker feed source.
Preferably, when reflector antenna works, electromagnetic wave is emitted by microwave feeding source, and a part of electromagnetic wave is in free sky
Between in pass through reflection secondary mirror and travel to reflection primary mirror and transmission primary mirror surface, another part of electromagnetic wave directly passes through free space
Traveling to reflection primary mirror and transmission primary mirror surface, all electromagnetic waves are by reflection primary mirror and transmit primary mirror and be reflected towards preceding propagation,
Form aerial radiation wave beam.It is infrared to transmit primary mirror transmission, and microwave reflection.It is infrared and infrared to reflect primary mirror microwave reflection.Reflection
Secondary mirror reflection is infrared, and transmits microwave.
Transmission primary mirror is added in the present invention in the structure, increases the mouth face utilization efficiency of antenna, and significantly improve antenna
Gain.It is that one kind has the compound day of the microwave-infrared of promotion prospect very much present invention is particularly suitable for microwave-infrared multi-mode seeker
Line.
Detailed description of the invention
A kind of structure oblique view for the microwave-infrared complex reflex surface antenna that feedovers of Fig. 1；
A kind of structure expanded view for the microwave-infrared complex reflex surface antenna that feedovers of Fig. 2.
It is fixed 1. transmission primary mirror 2. reflects fixed 5. microwave feeding source of bracket, 6. feed of reflection 4. secondary mirror of secondary mirror of primary mirror 3.
Bracket
Specific embodiment
A kind of feedforward microwave-infrared complex reflex surface antenna, comprising: reflection primary mirror 2, reflection secondary mirror 3, the fixed bracket of secondary mirror
4, microwave feeding source 5 and the fixed bracket 6 of feed, further includes: transmission primary mirror 1.
Reflector antenna divides three levels, transmission primary mirror 1, reflection secondary mirror 3 and the axis weight for reflecting secondary mirror 3 from the bottom to top
It closes.
Lower layer is reflection primary mirror 2 and transmission primary mirror 1, and reflection primary mirror 2 is the paraboloid of center aperture, and transmission primary mirror 1 is placed in
Tapping, reflection primary mirror 2 and transmission primary mirror 1 connect, and reflection primary mirror 2 and transmission primary mirror 1 form a complete paraboloid.
Middle layer places reflection secondary mirror 3, and reflection secondary mirror 3 is fixed by the fixed bracket 4 of secondary mirror with the outer ring for reflecting primary mirror 2.
Microwave feeding source 5 is placed on upper layer, and microwave feeding source 5 is fixed by the fixed bracket 6 of feed with the outer ring for reflecting primary mirror 2, micro-
The material of wave feed 5 is metal.
The material for reflecting primary mirror 2 is metal, and surface coats infrared reflecting paint.Transmiting primary mirror 1 is that surface is coated with gold
Belong to the germainium lens of reticular structure.Reflection secondary mirror 3 is the germainium lens for projecting microwave.
Reflect the reflecting mirror that secondary mirror 3 is double-curved shapes.It is rodlike that the fixed bracket 4 of secondary mirror is that shape is, and material is nylon.
The number of the fixed bracket 4 of secondary mirror is 3-5.It is rodlike that the fixed bracket 6 of feed is that shape is, and material is nylon.Feed is fixed
The number of bracket 6 is 3-5.Microwave feeding source 5 is corrugation loudspeaker feed source.
When reflector antenna works, electromagnetic wave is emitted by microwave feeding source 5, and a part of electromagnetic wave is worn in free space
It crosses reflection secondary mirror 3 and travels to reflection primary mirror 2 and transmission 1 surface of primary mirror, another part of electromagnetic wave is directly passed by free space
It is multicast to reflection primary mirror 2 and transmission primary mirror 1 surface, all electromagnetic waves are by reflection primary mirror 2 and transmit primary mirror 1 and be reflected towards forward pass
It broadcasts, forms aerial radiation wave beam.Transmission primary mirror 1 transmits infrared, and microwave reflection.It is infrared and infrared to reflect 2 microwave reflection of primary mirror.
Reflection secondary mirror 3 reflect it is infrared, and transmit microwave.
Claims (8)
1. a kind of feedforward microwave-infrared complex reflex surface antenna, comprising: reflection primary mirror (2), reflection secondary mirror (3), the fixed branch of secondary mirror
Frame (4), microwave feeding source (5) and feed are fixed bracket (6), it is characterised in that further include: transmission primary mirror (1)；
Reflector antenna divides three levels from the bottom to top, and transmission primary mirror (1) reflects secondary mirror (3) and reflects the axis weight of secondary mirror (3)
It closes；
Lower layer is reflection primary mirror (2) and transmission primary mirror (1), and reflection primary mirror (2) is the paraboloid of center aperture, is transmitted primary mirror (1)
It is placed in tapping, reflect primary mirror (2) and transmits primary mirror (1) connection, primary mirror (2) is reflected and transmission primary mirror (1) forms one completely
Paraboloid；
Middle layer, which is placed, reflects secondary mirror (3), and reflection secondary mirror (3) is consolidated by secondary mirror fixed bracket (4) with the outer ring for reflecting primary mirror (2)
It is fixed；
Microwave feeding source (5) are placed on upper layer, and microwave feeding source (5) is solid by the outer ring of feed fixed bracket (6) and reflection primary mirror (2)
Fixed, the material of microwave feeding source (5) is metal；
The material for reflecting primary mirror (2) is metal, and surface coats infrared reflecting paint；Transmiting primary mirror (1) is that surface is coated with gold
Belong to the germainium lens of reticular structure；Reflection secondary mirror (3) is the germainium lens for projecting microwave.
2. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1, it is characterised in that the secondary mirror
It is rodlike that fixed bracket (4) are that shape is, and material is nylon.
3. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1 or 2, it is characterised in that time
The number of mirror fixed bracket (4) is 3-5.
4. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1, it is characterised in that the feed
It is rodlike that fixed bracket (6) are that shape is, and material is nylon.
5. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1 or 4, it is characterised in that the feedback
The number in source fixed bracket (6) is 3-5.
6. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1, it is characterised in that the microwave
Feed (5) is corrugation loudspeaker feed source.
7. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1, which is characterized in that reflector antenna
Action are as follows:
Electromagnetic wave is emitted by microwave feeding source (5), and a part of electromagnetic wave passes through reflection secondary mirror (3) in free space and travels to
Primary mirror (2) and transmission primary mirror (1) surface are reflected, another part of electromagnetic wave directly passes through free-space propagation to reflection primary mirror
(2) and transmission primary mirror (1) surface, all electromagnetic waves are reflected towards preceding propagation, shape by reflection primary mirror (2) and transmission primary mirror (1)
At aerial radiation wave beam；It is infrared to transmit primary mirror (1) transmission, and microwave reflection；It is infrared and infrared to reflect primary mirror (2) microwave reflection；
It is infrared to reflect secondary mirror (3) reflection, and transmits microwave.
8. a kind of feedforward microwave-infrared complex reflex surface antenna according to claim 1 or claim 7, it is characterised in that described is anti-
Penetrate the reflecting mirror that secondary mirror (3) are double-curved shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345234.4A CN109524792A (en) | 2018-11-13 | 2018-11-13 | A kind of feedforward microwave-infrared complex reflex surface antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345234.4A CN109524792A (en) | 2018-11-13 | 2018-11-13 | A kind of feedforward microwave-infrared complex reflex surface antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109524792A true CN109524792A (en) | 2019-03-26 |
Family
ID=65776160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345234.4A Pending CN109524792A (en) | 2018-11-13 | 2018-11-13 | A kind of feedforward microwave-infrared complex reflex surface antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524792A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699661A (en) * | 2009-10-16 | 2010-04-28 | 电子科技大学 | Mirror antenna and system used for compound communication of light wave and millimeter wave |
| CN106571511A (en) * | 2016-11-15 | 2017-04-19 | 长春理工大学 | Light foldable microwave and laser-mixed film communication antenna |
| CN107357029A (en) * | 2017-09-01 | 2017-11-17 | 天津津航技术物理研究所 | A kind of millimeter wave/LONG WAVE INFRARED Shared aperture complex imaging camera lens |
-
2018
- 2018-11-13 CN CN201811345234.4A patent/CN109524792A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699661A (en) * | 2009-10-16 | 2010-04-28 | 电子科技大学 | Mirror antenna and system used for compound communication of light wave and millimeter wave |
| CN106571511A (en) * | 2016-11-15 | 2017-04-19 | 长春理工大学 | Light foldable microwave and laser-mixed film communication antenna |
| CN107357029A (en) * | 2017-09-01 | 2017-11-17 | 天津津航技术物理研究所 | A kind of millimeter wave/LONG WAVE INFRARED Shared aperture complex imaging camera lens |
Non-Patent Citations (1)
| Title |
|---|
| 周健等: "红外/毫米波共孔径天线的研究", 《电子器件》 * |
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Application publication date: 20190326 |
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