CN104319465A - Integrated bandwidth high-power patch array antenna - Google Patents
Integrated bandwidth high-power patch array antenna Download PDFInfo
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- CN104319465A CN104319465A CN201410607015.4A CN201410607015A CN104319465A CN 104319465 A CN104319465 A CN 104319465A CN 201410607015 A CN201410607015 A CN 201410607015A CN 104319465 A CN104319465 A CN 104319465A
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Abstract
The invention discloses an integrated bandwidth high-power patch array antenna. The array antenna comprises a bandwidth high-power coaxial quarter power divider, an antenna floor, four bandwidth radiation patches and an antenna cover. The antenna cover covers the four bandwidth radiation patches, and is connected with the antenna floor in a face sealed mode. The antenna floor is provided with an air inlet and an air outlet. The antenna cover is filled with sulfur hexafluoride gas. According to the array antenna, the instantaneous power capacity can reach a gigawatt (GW) level, the directionality and the field intensity of radiation beams can be improved, and the problems that a transmitting antenna in a current wide-spectrum high-power microwave system is large in size, large in weight and low in gain, and arrays are difficult to assemble are solved; the array antenna is compact in structure, light in weight, low in profile, and high in gain and power capacity, and can be widely applied to the fields of the wide-spectrum high-power microwave transmitting study, the electromagnetic pulse study and the like, and arrays are easy to assemble.
Description
Technical field
The present invention relates to High-Power Microwave transmitting antenna field, specifically refer to a kind of broadband high-power patch array antenna of integration.
Background technology
High-Power Microwave technology (High Power Microwave) is the new branch of science field derived in nuclear technology, is the multidisciplinary interdisciplinary studies combined such as Pulse Power Techniques, the theory of relativity electron tube, antenna technology.Wherein the effect of high-power microwave antenna be by High-Power Microwave directional transmissions to space, in High Power Microwave System, serve key effect.
Wide range High-Power Microwave (Mesoband High Power Microwave) due to its frequency spectrum wider, power density ratio Ultra-wide spectrum HPW is high, there is very large application potential, in electromagnetic pulse simulator, the test of strong electromagnetic compatibility and roadside bomb is explosive etc. that field is all widely used.But because wide range High-Power Microwave centre frequency generally only has hundreds of megahertz (100MHz ~ 1000MHz), as adopted the radiation of high power reflector antenna, then antenna volume is excessive, is difficult to organize battle array; And according to linear antenna, in order to obtain enough power capacities, need to increase nylon radome, volume is made to become very huge, weight also increases greatly, finally make wide range high power microwave radiation system be difficult to miniaturized, be therefore badly in need of a kind of high power capacity, volume compact, lightweight, higher gain, be easy to organize the wide range high power microwave radiation antenna of battle array.。
Summary of the invention
The object of the invention is to solve in current wide range High Power Microwave System that transmitting antenna volume is large, weight is large, gain is low and be difficult to the difficult problems such as group battle array, and improve directionality and the field intensity of radiation beam, announce a kind of broadband high-power patch array antenna of integration, the antenna floor of integration and radome is adopted to form square box structure, form 2 × 2 arrays by 4 radiation patch in square box, in square box, fill sulphur hexafluoride (SF
6) gas to obtain enough power capacities, this array antenna structure is compact, lightweight, section is low, gain is high, power capacity is high and be easy to organize battle array.The fields such as the transmitting of wide range High-Power Microwave, strong electromagnetic pulse research can be widely used in.
The present invention adopts following technical scheme:
A broadband high-power patch array antenna for integration, comprises broadband coaxial one point of four power splitter, antenna floor, four broadband radiation pasters; Described broadband coaxial one point of four power splitter is arranged on the one side on antenna floor, and the another side on antenna floor is provided with four broadband radiation pasters; Four feed delivery outlets of described broadband coaxial one point of four power splitter connect a broadband radiation paster separately through antenna floor; Also comprise radome, described radome covers four broadband radiation pasters and antenna floor is tightly connected, and described antenna floor is provided with air inlet and gas outlet, is full of sulfur hexafluoride gas in radome.
In technique scheme, described broadband coaxial one point of four power splitter comprises outer conductor and inner wire, the described structure being all outer conductor and inner wire and being that a road branches into four tunnels, four road coaxial lines separate in " X " shape ray in the plane parallel with antenna floor.
In technique scheme, four delivery outlets of described broadband coaxial one point of four power splitter become 90 degree and antenna floor perpendicular.
In technique scheme, the impedance of described inner wire becomes to reduce gradually from input to output.
In technique scheme, an edge center of described broadband radiation paster is provided with conical metal block, the broadband radiation paster at the described symmetrical place of conical metal block is respectively arranged " L " shape short slot.
In technique scheme, the delivery outlet dead in line of the conical metal block on described broadband radiation paster and broadband coaxial one point of four power splitter, and conical metal block is connected with inner wire.
In technique scheme, be provided with support column between described broadband radiation paster and antenna floor, described support column is that polymethyl methacrylate or other dielectrics are made.
In technique scheme, described four broadband radiation pasters are evenly arranged on antenna floor with 2 × 2 arrays.
In technique scheme, described radome adopts can penetrate electromagnetic material.
Operation principle of the present invention: wide range High-Power Microwave is by after the feed-in of broadband coaxial power splitter input port, constant power be assigned as four tunnels, and four radiation patch before integral antenna floor of feeding synchronous for signal are carried out radiation, the wide range High-Power Microwave of four each autoradiolysis of radiation patch is perforated through integral antenna cover, at far field place optics coherence tomography, realize the directed radiation to the high-gain of wide range High-Power Microwave, in radome, the SF6 gas of sealing plays insulating effect, prevent radiation patch annex from striking sparks because electric field strength exceedes the rf arcing threshold value of air.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: adopt the antenna floor of integration and radome to form square box structure, form 2 × 2 arrays by 4 radiation patch in square box, in square box, fill sulphur hexafluoride (SF
6) gas to be to obtain enough power capacities, easily can reach several gigawatt (GW) magnitude, and directionality and the field intensity of radiation beam can be improved, to solve in current wide range High Power Microwave System that transmitting antenna volume is large, weight is large, gain is low and be difficult to the difficult problems such as group battle array.This array antenna structure is compact, lightweight, section is low, gain is high, power capacity is high and be easy to organize battle array, the fields such as the transmitting of wide range High-Power Microwave, strong electromagnetic pulse research can be widely used in.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the outer conductor structural representation of broadband coaxial one point of four power splitter;
Fig. 3 is the inner conductor structure schematic diagram of broadband coaxial one point of four power splitter;
Fig. 4 is antenna floor panel structure schematic diagram;
Fig. 5 is radiation patch structural representation;
Fig. 6 is antenna cover structure schematic diagram;
Fig. 7 is typical 600 MHz wide range driving pulse figure;
Fig. 8 is radiation field oscillogram;
Fig. 9 is the E face directional diagram of array antenna at centre frequency 600MHz;
Figure 10 is the H face directional diagram of array antenna at centre frequency 600MHz;
Wherein: 1 is antenna floor, 2 is broadband coaxial one point of four power splitter, and 3 is radomes, and 4 is radiation patch.
Embodiment
As shown in Fig. 1, the present invention is made up of broadband coaxial one point of four power splitter, integral antenna floor, four broadband radiation pasters and integral antenna cover, in the confined space that integral antenna floor and integral antenna cover surround, be filled with SF
6gas.
Broadband coaxial one point of four power splitter is a kind of coaxial transmission line branch, adopts intermetallic composite coating to form, is made up of, is divided into four tunnels for the wide range High-Power Microwave constant power by feed-in outer conductor and inner wire two parts.Outer conductor and inner conductor structure are respectively as shown in Figure 2 and Figure 3, Dou Shi mono-tunnel branches into the structure on four tunnels, four road coaxial lines separate in " X " shape ray in the plane parallel with antenna floor, and become and antenna floor perpendicular by 4 90 degree of bend pipes or knee, to the broadband radiation patch of four in described array antenna.In order to ensure fed power, characteristic impedance and traditional impedance of inner wire are constant different, the characteristic impedance of the inner wire in the present invention by input to output in the change diminished gradually, make final fed power can be higher like this.
As shown in Figure 4, integral antenna floor is metal manufacture, overall for having certain thickness metal plate, the back side has four holes in inclined top position, be welded with four metal cylinder with adpting flange, its effect exports coaxial port with four tunnels of broadband coaxial one point of four power splitter to be connected, realize to four the broadband radiation patch be positioned at before floor, four edges on antenna floor have some screws, can the radome trip bolt of integration be fixed on antenna floor, form airtight box-like space, the lower right corner and the upper left corner have a pore respectively, for installing charge valve and vent valve.
Broadband radiation paster structure as shown in Figure 5, agent structure is certain thickness metallic plate, symmetrical, in order to expand the bandwidth of operation of paster antenna, have the short slot of symmetrical " L " shape cut off, top edge center weld has a conical metal block, the dead in line of the flange hole on the axis of described conical metal block and integral antenna floor, and is electrically connected with inner conductor of power splitter.
As shown in Figure 6, integral antenna cover adopts can penetrate electromagnetic material, as (including but not limited to) medium such as nylon, polytetrafluoroethylene, fiberglass, plastics and other artificial electromagnetic materials process, shape is for having certain thickness hull shape square box, one of them face is open, and there is through hole open surface edge, is connected with trip bolt with between integral antenna floor, form the square box shaped cavity closed, inside cavity fills sulphur hexafluoride SF
6gas, to improve power capacity to number gigawatt (GW) magnitude, in order to improve structural strength, adds " ten " font reinforcement at integral antenna cover inner surface.
Embodiment
Design the integrated broadband high-power patch array antenna that a operating center frequency is 600MHz.
The impedance of power division network input coaxial port is 20 Ω, and internal and external conductor diameter is respectively 39.4mm and 55mm, and it is 50 Ω that 4 tunnels export coaxial port, and internal and external conductor diameter is respectively 10.9mm and 25mm, and four port levels spacing are 260mm, and vertical interval is 210mm.
Integral antenna floor is the manufacture of aircraft aluminum material, the long 520mm in floor level, wide 420 mm, and between each antenna element, level interval is 260 mm, and vertical interval is 210 mm.
4 radiation patch adopt the processing of aircraft aluminum material, the long 225mm of rectangular patch, wide 152mm, and thickness is 2mm; The circular cone height 41mm of top edge, go to the bottom radius 21mm, upper top radius 4.2mm; " L " shape fluting groove width 15mm, elongated slot centre distance intermediate symmetry axle 130mm, long 145mm, short flute length 42mm.
Integral antenna cover employing thickness is that the nylon plate of 5mm is spliced, and square box height is 55mm, and length is 520mm, width is 420 mm.
Feed-in centre frequency 600 MHz wide range impulse waveform as shown in Figure 7 during test, it is radiation field time domain waveform that input impedance bandwidth reaches 47%, Fig. 8.
Fig. 9 is that described example array antenna is at the E face of centre frequency 600MHz and H face directional diagram, wherein the 3 dB angular widths in E face are 56.4 °, and the 3 dB angular widths in H face are 47.8 °, and gain reaches 11.8 dB, secondary lobe and back lobe level, lower than-22 dB, have extraordinary directional radiation capacity.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (9)
1. an integrated broadband high-power patch array antenna, comprises broadband coaxial one point of four power splitter, antenna floor, four broadband radiation pasters; It is characterized in that described broadband coaxial one point of four power splitter is arranged on the one side on antenna floor, the another side on antenna floor is provided with four broadband radiation pasters; Four feed delivery outlets of described broadband coaxial one point of four power splitter connect a broadband radiation paster separately through antenna floor; Also comprise radome, described radome covers four broadband radiation pasters and antenna floor is tightly connected, and described antenna floor is provided with air inlet and gas outlet, is full of sulfur hexafluoride gas in radome.
2. the broadband high-power patch array antenna of a kind of integration according to claim 1, it is characterized in that described broadband coaxial one point of four power splitter comprises outer conductor and inner wire, the described structure being all outer conductor and inner wire and being that a road branches into four tunnels, four road coaxial lines separate in " X " shape ray in the plane parallel with antenna floor.
3. the broadband high-power patch array antenna of a kind of integration according to claim 2, is characterized in that four delivery outlets of described broadband coaxial one point of four power splitter become 90 degree and antenna floor perpendicular.
4. the broadband high-power patch array antenna of a kind of integration according to claim 2, is characterized in that the impedance of described inner wire becomes to reduce gradually from input to output.
5. the broadband high-power patch array antenna of a kind of integration according to claim 1, it is characterized in that an edge center of described broadband radiation paster is provided with conical metal block, the broadband radiation paster at the described symmetrical place of conical metal block is respectively arranged " L " shape short slot.
6. the broadband high-power patch array antenna of a kind of integration according to claim 1 or 2 or 5, it is characterized in that the delivery outlet dead in line of conical metal block on described broadband radiation paster and broadband coaxial one point of four power splitter, and conical metal block is connected with inner wire.
7. the broadband high-power patch array antenna of a kind of integration according to claim 1, is characterized in that being provided with support column between described broadband radiation paster and antenna floor, and described support column is that polymethyl methacrylate or other dielectrics are made.
8. the broadband high-power patch array antenna of a kind of integration according to claim 7, is characterized in that described four broadband radiation pasters are evenly arranged on antenna floor with 2 × 2 arrays.
9. the broadband high-power patch array antenna of a kind of integration according to claim 1, is characterized in that described radome adopts and can penetrate electromagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410607015.4A CN104319465A (en) | 2014-11-03 | 2014-11-03 | Integrated bandwidth high-power patch array antenna |
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| CN201410607015.4A CN104319465A (en) | 2014-11-03 | 2014-11-03 | Integrated bandwidth high-power patch array antenna |
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| CN104319465A true CN104319465A (en) | 2015-01-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN112086747A (en) * | 2020-09-04 | 2020-12-15 | 西北工业大学 | Inflatable high-power microwave array antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437408A (en) * | 2011-08-26 | 2012-05-02 | 北京华力创通科技股份有限公司 | Octagonal flat-type array antenna |
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2014
- 2014-11-03 CN CN201410607015.4A patent/CN104319465A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437408A (en) * | 2011-08-26 | 2012-05-02 | 北京华力创通科技股份有限公司 | Octagonal flat-type array antenna |
Non-Patent Citations (3)
| Title |
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| 吴峰涛等: ""同轴高功率超宽带功分器研究"", 《强激光与粒子束》 * |
| 徐刚: ""频率可调宽带高功率微波辐射源技术研究"", 《中国博士学位论文全文数据库 信息科技辑》 * |
| 徐刚等: ""宽带高功率贴片天线阵列辐射特性"", 《强激光与粒子束》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN112086747A (en) * | 2020-09-04 | 2020-12-15 | 西北工业大学 | Inflatable high-power microwave array antenna |
| CN112086747B (en) * | 2020-09-04 | 2021-04-20 | 西北工业大学 | Inflatable high-power microwave array antenna |
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Effective date of registration: 20160803 Address after: Mianyang City, Sichuan Province, 621054 Mountain Road No. 64 Applicant after: Sichuan Science City Jiuli Technology Industrial Co., Ltd. Address before: 621000 Mianyang, Sichuan, box 1013, box of 919 Applicant before: Applied Electronics Inst., Chinese Engineering Physics Inst. |
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Effective date of registration: 20160908 Address after: 610000, No. 1609, 2039 / F, Tianfu Haitang center, Tianfu Road, Tianfu New District, Sichuan, Chengdu Province, No. 16, building No. Applicant after: Sino long ante Equipment Co., Ltd. Address before: Mianyang City, Sichuan Province, 621054 Mountain Road No. 64 Applicant before: Sichuan Science City Jiuli Technology Industrial Co., Ltd. |
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Application publication date: 20150128 |
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