CN114784497A - High-power-resistant three-dimensional frequency-selection antenna housing structure - Google Patents
High-power-resistant three-dimensional frequency-selection antenna housing structure Download PDFInfo
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- CN114784497A CN114784497A CN202210471782.1A CN202210471782A CN114784497A CN 114784497 A CN114784497 A CN 114784497A CN 202210471782 A CN202210471782 A CN 202210471782A CN 114784497 A CN114784497 A CN 114784497A
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- 239000003989 dielectric material Substances 0.000 claims abstract 27
- 230000000737 periodic effect Effects 0.000 claims abstract 10
- 230000008878 coupling Effects 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims abstract 2
- 238000005859 coupling reaction Methods 0.000 claims abstract 2
- 238000003780 insertion Methods 0.000 claims abstract 2
- 230000037431 insertion Effects 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims abstract 2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
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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 discloses a high-power-resistant three-dimensional frequency selection antenna housing structure which is formed by a three-dimensional periodic structure and periodic units, wherein the same periodic units are arranged according to a certain period; the periodic unit is composed of a three-level eight-layer structure, and the material comprises skin, dielectric material and low-loss medium; the first layer from the top to the inside is the skin; the second layer is made of dielectric materials, and low-loss media are arranged on two sides of the dielectric materials; the third layer is a low-loss medium; the fourth layer is made of dielectric materials, and low-loss media are arranged on two sides of each dielectric material; the fifth layer is a low-loss medium; the sixth layer is made of dielectric materials, and low-loss media are arranged on two sides of each dielectric material; the seventh layer is a low-loss medium; the eighth layer is a skin. According to the invention, by designing the electromagnetic coupling mode among three-dimensional dielectric materials, the scattering loss of in-band electromagnetic waves is reduced, the frequency selection function of low insertion loss and high out-of-band rejection is realized, and the electromagnetic wave irradiation with high power density can be resisted.
Description
Technical Field
The invention relates to the technical field of functional electromagnetic materials, in particular to a high-power-resistant three-dimensional frequency-selective antenna housing structure.
Background
The antenna housing of the conventional high-power radar is mainly a full-wave-transparent dielectric antenna housing and does not have a frequency selection function, and the conventional metal structure frequency selection material cannot resist high-power electromagnetic wave irradiation of the high-power radar due to a field enhancement effect caused by a small metal gap.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-power-resistant three-dimensional frequency selection antenna housing structure aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention provides a high-power-resistant three-dimensional frequency selection antenna housing structure which is formed by a three-dimensional periodic structure and periodic units, wherein the same periodic units are arranged according to a certain period; the periodic unit is composed of a three-level eight-layer structure, and the material comprises skin, dielectric material and low-loss medium; the first layer from the top to the inside is the skin; the second layer is made of dielectric materials, and low-loss media are arranged on two sides of the dielectric materials; the third layer is a low-loss medium; the fourth layer is made of dielectric materials, and low-loss media are arranged on two sides of the dielectric materials; the fifth layer is a low-loss medium; the sixth layer is made of dielectric materials, and low-loss media are arranged on two sides of each dielectric material; the seventh layer is a low-loss medium; the eighth layer is a skin.
Further, the periodic unit of the present invention includes three stages: s1, S2, and S3; wherein the dielectric material of the second layer, the low-loss dielectric, and the low-loss dielectric of the third layer comprise a rating of S1; the dielectric material of the fourth layer, the low-loss dielectric and the low-loss dielectric of the fifth layer form a S2 level; the dielectric material of the sixth layer, the low loss dielectric, and the low loss dielectric of the seventh layer comprise level S3.
Further, in the periodic unit of the present invention, the first layer is a skin having a thickness of m 1; the second layer is made of dielectric materials with width W1 and thickness L1, and two sides of the dielectric materials are low-loss media with width d1 and thickness L1; the third layer is a low loss dielectric with a width W1+2 x d1 thickness d 2; the fourth layer is made of a dielectric material with the width of W2 and the thickness of L2, and two sides of the dielectric material are made of low-loss dielectric with the width of d1 and the thickness of L2; the fifth layer is a low loss dielectric with a width W2+2 x d1 thickness d 3; the sixth layer is a dielectric material with width W3 and thickness L3, and two sides of the dielectric material are low-loss dielectric with width d1 and thickness L3; the seventh layer is a low loss dielectric with a width W3+2 x d1 thickness d 4; the eighth layer is a skin having a thickness of m 2.
Furthermore, in the three-dimensional frequency selection antenna housing structure, the electromagnetic coupling mode among three-dimensional dielectric materials is designed, so that the scattering loss of in-band electromagnetic waves is reduced, and out-of-band rejection is enhanced through multi-level design, so that the frequency selection function of low insertion loss and high out-of-band rejection is realized.
Furthermore, the three-dimensional frequency-selective radome structure is completely constructed by the medium, and due to the characteristics of high breakdown voltage and temperature tolerance of the medium material, the structure can resist the irradiation of electromagnetic waves with high power density and can be used as a frequency-selective radome of a high-power radar.
The invention has the following beneficial effects: according to the high-power-resistant three-dimensional frequency-selecting antenna housing structure, the electromagnetic coupling mode among three-dimensional dielectric materials is designed, the scattering loss of in-band electromagnetic waves is reduced, out-of-band rejection is enhanced through multi-level design, and therefore the frequency selection function of low insertion loss and high out-of-band rejection is achieved. Meanwhile, the three-dimensional structure scheme is completely constructed by the medium, and due to the high breakdown voltage and temperature resistance of the medium material, the structure can resist the electromagnetic wave irradiation with high power density. An effective solution is provided for the application problem of the frequency selection antenna housing of the high-power radar.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a simulation result diagram of a high-power-resistant three-dimensional frequency-selective radome structure according to an embodiment of the invention;
fig. 2 is a schematic structural diagram (side view + top view) of a high power resistant three-dimensional frequency-selective radome unit according to an embodiment of the invention;
fig. 3 is a schematic diagram of a periodic structure of a high-power-resistant three-dimensional frequency-selective radome according to an embodiment of the invention;
fig. 4 is a wave-transparent performance test chart of the high-power-resistant three-dimensional frequency-selective antenna housing structure according to the embodiment of the invention;
fig. 5 is a power tolerance test chart of the high-power-tolerance three-dimensional frequency-selective antenna housing structure according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Fig. 1 shows the simulation result of the above structure. Fig. 2 is a schematic structural diagram of a high-power-resistant three-dimensional frequency selection radome unit according to an embodiment of the present invention, and according to a design scheme of the high-power-resistant three-dimensional frequency selection radome structure according to the embodiment of the present invention, the structure is a three-dimensional periodic structure and is composed of periodic units, and the same periodic units are arranged according to a certain period. The periodic unit is composed of eight-layer structures with three levels (S1, S2 and S3), and comprises materials such as skin, dielectric materials and low-loss media. The first layer from the top inwards is a skin with a thickness of m 1; the second layer is made of dielectric materials with width W1 and thickness L1, and two sides of the dielectric materials are low-loss media with width d1 and thickness L1; the third layer is a low-loss medium with width W1+2 x d1 and thickness d 2; the fourth layer is made of a dielectric material with the width of W2 and the thickness of L2, and two sides of the dielectric material are made of low-loss dielectric with the width of d1 and the thickness of L2; the fifth layer is a low loss dielectric with a width W2+2 x d1 thickness d 3; the sixth layer is a dielectric material with width W3 and thickness L3, and two sides of the dielectric material are low-loss dielectric with width d1 and thickness L3; the seventh layer is a low loss dielectric with a width of W3+2 × d1 and a thickness of d 4; the eighth layer is a skin having a thickness of m 2.
Fig. 3 is a schematic diagram of a periodic structure of a high-power-resistant three-dimensional frequency-selective radome according to an embodiment of the present invention. Fig. 4 is a frequency selectivity performance test chart of the above structure. Fig. 5 is a high power electromagnetic wave test chart that the above structure can endure.
Simulation and experimental tests show that the center frequency of the high-power-resistant three-dimensional frequency selection antenna housing structure is 9.375 GHz; the insertion loss is less than 0.45 dB; the out-of-band rejection degree of the stop band is more than 15 dB; the transition bandwidth from the pass band to the stop band is less than 0.5 GHz; the resistance field strength which can be tested is more than 38 kv/m.
The invention designs a scheme for enhancing a three-dimensional all-dielectric structure of transmission type electromagnetic coupling, reduces the scattering loss of in-band electromagnetic waves, and enhances out-of-band rejection through multi-level design, thereby realizing the frequency selection function of low insertion loss and high out-of-band rejection. Meanwhile, the three-dimensional structure scheme is completely constructed by the medium, and due to the high breakdown voltage and temperature resistance of the medium material, the structure can resist the electromagnetic wave irradiation with high power density.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. A high-power-resistant three-dimensional frequency selection antenna housing structure is characterized in that the structure is a three-dimensional periodic structure and is composed of periodic units, and the same periodic units are arranged according to a certain period; the periodic unit is composed of a three-level eight-layer structure, and the material comprises skin, dielectric material and low-loss medium; the first layer from the top to the inside is the skin; the second layer is made of dielectric materials, and low-loss media are arranged on two sides of the dielectric materials; the third layer is a low-loss medium; the fourth layer is made of dielectric materials, and low-loss media are arranged on two sides of each dielectric material; the fifth layer is a low-loss medium; the sixth layer is made of dielectric materials, and low-loss media are arranged on two sides of each dielectric material; the seventh layer is a low-loss medium; the eighth layer is a skin.
2. The high power resistant three-dimensional frequency selective radome structure of claim 1 wherein the periodic elements comprise three stages: s1, S2 and S3; wherein the dielectric material of the second layer, the low-loss dielectric, and the low-loss dielectric of the third layer comprise a level S1; the dielectric material of the fourth layer, the low-loss dielectric and the low-loss dielectric of the fifth layer form a grade S2; the dielectric material of the sixth layer, the low-loss dielectric, and the low-loss dielectric of the seventh layer comprise a rating of S3.
3. The high power resistant three-dimensional frequency selective radome structure of claim 1 wherein in the periodic unit, the first layer is a skin with a thickness of m 1; the second layer is made of dielectric materials with width W1 and thickness L1, and two sides of the dielectric materials are low-loss media with width d1 and thickness L1; the third layer is a low-loss medium with width W1+2 x d1 and thickness d 2; the fourth layer is made of a dielectric material with the width of W2 and the thickness of L2, and two sides of the dielectric material are made of low-loss dielectric with the width of d1 and the thickness of L2; the fifth layer is a low loss dielectric with a width W2+2 x d1 thickness d 3; the sixth layer is made of a dielectric material with the width of W3 and the thickness of L3, and two sides of the dielectric material are made of low-loss dielectric with the width of d1 and the thickness of L3; the seventh layer is a low loss dielectric with a width of W3+2 × d1 and a thickness of d 4; the eighth layer is a skin having a thickness of m 2.
4. The high power resistant three-dimensional frequency selection radome structure of claim 1, wherein in the three-dimensional frequency selection radome structure, by designing an electromagnetic coupling mode between three-dimensional dielectric materials, scattering loss of in-band electromagnetic waves is reduced, and out-of-band rejection is enhanced through a multi-stage design, thereby realizing a frequency selection function of low insertion loss and high out-of-band rejection.
5. The high-power-resistant three-dimensional frequency-selective radome structure of claim 1, wherein the three-dimensional frequency-selective radome structure is entirely constructed of a dielectric material, and due to the high breakdown voltage and temperature-resistant characteristics of the dielectric material, the structure can resist the irradiation of electromagnetic waves with high power density and can be used as a frequency-selective radome for a high-power radar.
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| CN202210471782.1A CN114784497B (en) | 2022-04-29 | 2022-04-29 | High-power-resistant three-dimensional frequency-selective radome structure |
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| CN202210471782.1A CN114784497B (en) | 2022-04-29 | 2022-04-29 | High-power-resistant three-dimensional frequency-selective radome structure |
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| CN114784497B CN114784497B (en) | 2023-05-16 |
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|---|---|---|---|---|
| GB0312952D0 (en) * | 2002-06-07 | 2003-07-09 | Murata Manufacturing Co | Three-dimensional periodic structure method of producing the same high frequency element and high frequency apparatus |
| US20070252775A1 (en) * | 2006-04-26 | 2007-11-01 | Harris Corporation | Radome with detuned elements and continuous wires |
| US20110050370A1 (en) * | 2009-08-31 | 2011-03-03 | Cheng-Ching Lee | High electromagnetic transmission composite structure |
| CN102856655A (en) * | 2012-07-31 | 2013-01-02 | 深圳光启创新技术有限公司 | Metamaterial frequency selection surface and metamaterial frequency selection antenna cover and antenna system manufactured by same |
| CN105186132A (en) * | 2015-10-13 | 2015-12-23 | 中国舰船研究设计中心 | Low-loss micro-unit low-pass frequency selection surface radome and manufacturing method |
| CN105304980A (en) * | 2015-09-25 | 2016-02-03 | 中国人民解放军空军工程大学 | Band stop type frequency selection surface based on low dielectric meta-material |
| CN107508017A (en) * | 2017-08-10 | 2017-12-22 | 杭州电子科技大学 | A kind of band inhales molded breadth band frequency selecting structures and its application |
| WO2018052392A1 (en) * | 2016-09-14 | 2018-03-22 | Raytheon Company | High performance plastic radome |
| CN109449593A (en) * | 2018-12-04 | 2019-03-08 | 航天科工武汉磁电有限责任公司 | A kind of broad passband antenna house and its application |
| CN111613892A (en) * | 2020-06-29 | 2020-09-01 | 中国舰船研究设计中心 | Double-side steep out-of-band rejection frequency selection radome composite material interlayer structure |
| CN112873899A (en) * | 2020-12-25 | 2021-06-01 | 上海玻璃钢研究院有限公司 | Manufacturing method of broadband high-power-resistant housing |
-
2022
- 2022-04-29 CN CN202210471782.1A patent/CN114784497B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0312952D0 (en) * | 2002-06-07 | 2003-07-09 | Murata Manufacturing Co | Three-dimensional periodic structure method of producing the same high frequency element and high frequency apparatus |
| US20070252775A1 (en) * | 2006-04-26 | 2007-11-01 | Harris Corporation | Radome with detuned elements and continuous wires |
| US20110050370A1 (en) * | 2009-08-31 | 2011-03-03 | Cheng-Ching Lee | High electromagnetic transmission composite structure |
| CN102856655A (en) * | 2012-07-31 | 2013-01-02 | 深圳光启创新技术有限公司 | Metamaterial frequency selection surface and metamaterial frequency selection antenna cover and antenna system manufactured by same |
| CN105304980A (en) * | 2015-09-25 | 2016-02-03 | 中国人民解放军空军工程大学 | Band stop type frequency selection surface based on low dielectric meta-material |
| CN105186132A (en) * | 2015-10-13 | 2015-12-23 | 中国舰船研究设计中心 | Low-loss micro-unit low-pass frequency selection surface radome and manufacturing method |
| WO2018052392A1 (en) * | 2016-09-14 | 2018-03-22 | Raytheon Company | High performance plastic radome |
| CN107508017A (en) * | 2017-08-10 | 2017-12-22 | 杭州电子科技大学 | A kind of band inhales molded breadth band frequency selecting structures and its application |
| CN109449593A (en) * | 2018-12-04 | 2019-03-08 | 航天科工武汉磁电有限责任公司 | A kind of broad passband antenna house and its application |
| CN111613892A (en) * | 2020-06-29 | 2020-09-01 | 中国舰船研究设计中心 | Double-side steep out-of-band rejection frequency selection radome composite material interlayer structure |
| CN112873899A (en) * | 2020-12-25 | 2021-06-01 | 上海玻璃钢研究院有限公司 | Manufacturing method of broadband high-power-resistant housing |
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