CN201611686U - Conical conformal omnidirectional dual-frequency microstrip antenna array - Google Patents
Conical conformal omnidirectional dual-frequency microstrip antenna array Download PDFInfo
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- CN201611686U CN201611686U CN 200920234606 CN200920234606U CN201611686U CN 201611686 U CN201611686 U CN 201611686U CN 200920234606 CN200920234606 CN 200920234606 CN 200920234606 U CN200920234606 U CN 200920234606U CN 201611686 U CN201611686 U CN 201611686U
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Abstract
A conical conformal omnidirectional dual-frequency microstrip antenna array is characterized in that a high-frequency microstrip antenna array (2) and a low-frequency microstrip antenna array (4) are arranged on the surface of a conical carrier (1) up and down and are conformal with the conical carrier (1), the high-frequency microstrip antenna array (2) is close to the cone apex of the conical carrier (1), and the low-frequency microstrip antenna array (4) is arranged below the high-frequency microstrip antenna array (2); and the high-frequency microstrip antenna array (2) comprises a plurality of high-frequency microstrip antenna units (6) that are in parallel feed connection, and the low-frequency microstrip antenna array (4) comprises a plurality of high-frequency microstrip antenna units (11) that are in parallel feed connection. The conical carrier realizes conformal feature of the microstrip antennae and omnidirectional antenna beam coverage on the geometric structure, gaps are formed on the non-radiation sides of the microstrip antenna units, and the size of the microstrip antenna units is reduced to meet the requirement of the size of the axial line of the conical carrier.
Description
Technical field
The utility model relates to a kind of microstrip antenna, particularly a kind of conformal taper conformal omnidirectional double-frequency micro-strip antenna array at the circular cone carrier surface.
Background technology
Continuous development along with modern communications, military technology, airborne, spaceborne, missile-borne and various types of communication and the needed electronic building brick parts of telemetering and remote control system are towards weak point, little, light, thin, highly reliable direction fast development, at aspect of performance, press for Electro Magnetic Compatibility good, be not subject to electronic jamming, RCS RCS (Radar Cross Section) is little, the high-performance array antenna with stealthy/anti-stealthy characteristic.Conformal Microstrip Antennas has that section is low, in light weight, volume is little, RCS is little, be easy to realize series of advantages such as conformal, therefore comes into one's own day by day in recent years.
A class microstrip antenna commonly used is at a thin-medium substrate, on polytetrafluoroethylmaterial material, one side is enclosed thin metal layer as ground plate, and another side is made the metal patch of definite shape with methods such as photoetching corrosions, utilize microstrip line and axis probe to the paster feed, this has just constituted microstrip antenna.
The missile-borne antenna for aerodynamic consideration, often needs with the missile-borne body conformally, and simultaneously because the particularity of its environment for use, often needing again conformally promptly needs antenna conformal on the cone surface in missile-borne body tapering.But because taper seat geometry relative complex so design difficulty are bigger.The missile-borne conformal antenna generally needs omni-directional in addition, does not influence the transmission of signal to guarantee the missile-borne body under the spiraling state.And the require careful consideration arrangement of antenna element of the design of omni-directional antenna makes the omni-directional of antenna pattern cover and is met.Along with development of Communication Technique, the demand of the mode of operation of double frequency is urgent day by day.Conformal antenna to missile-borne also has same demand.But how on the limited size in missile-borne surface, realize that two-frequency operation then is technological difficulties.Double frequency array implementation commonly used has two, a kind of is that antenna element itself is a two-frequency operation, and the advantage of this scheme is that the size of antenna is little, as long as the area of individual antenna just can be realized two frequency range work, but shortcoming is two frequency ranges and is difficult to control that design difficulty is big.Another kind of scheme is that the aerial array with two frequency ranges designs respectively, then two arrays are realized two-frequency operation near placing, the advantage of this scheme is that Antenna Design is simple, only needs to consider the design of single array, but shortcoming is that the area that aerial array takies is bigger.
Summary of the invention
The purpose of the utility model patent is at this geometry of cone, and a kind of conformal taper conformal omnidirectional micro-strip antenna array at its surperficial two-frequency operation is provided.
The technical solution of the utility model is:
The utility model patent is achieved in that a kind of taper conformal omnidirectional double-frequency micro-strip antenna array, comprise two kinds of micro-strip antenna arrays, a kind of micro-strip antenna array is corresponding to a kind of frequency, and present down placement and conformal at the circular cone carrier surface, wherein the micro-strip antenna array that resonance frequency is high is placed on the short part of circular cone carrier girth, and the corresponding low micro-strip antenna array of resonance frequency is placed on the long part of circular cone carrier girth.Every kind of micro-strip antenna array is connected by the microstrip feed line parallelly feeding by some microband antenna units, and microband antenna unit evenly distributes on the circumference of circular cone carrier.Its microband antenna unit is trapezoidal, and by the microstrip line radiant edged feeder that is positioned at trapezoidal base, by offering window to reduce the size of microband antenna unit paster, the microband antenna unit paster is linear polarization work on the while microband antenna unit.
A kind of taper conformal omnidirectional double-frequency micro-strip antenna array, the cone surface that centers on the circular cone carrier is provided with to present down and is provided with and high-frequency microstrip aerial array and the low frequency microstrip aerial array conformal with the circular cone carrier, described high-frequency microstrip aerial array is near circular cone carrier vertex of a cone end, and the low frequency microstrip aerial array is arranged on high-frequency microstrip aerial array below; The high-frequency microstrip aerial array is made up of the high-frequency microstrip antenna element that several parallelly feedings connect, and the low frequency microstrip aerial array is made up of the low frequency microstrip aerial unit that several parallelly feedings connect.
Described high-frequency microstrip antenna element is connected in parallel by the high-frequency microstrip feeder line.
Described high-frequency microstrip antenna element is trapezoidal, and trapezoidal last bottom is a circular arc, is provided with outwards outstanding high-frequency microstrip antenna input port on trapezoidal base, and high-frequency microstrip antenna input port and high-frequency microstrip feeder line electrically connect.
The two trapezoidal waists of described high-frequency microstrip antenna element are equipped with the high-frequency microstrip antenna slots, and the high-frequency microstrip antenna slots is the window of nick shaped.
Described high-frequency microstrip antenna element is made up of ground plate, dielectric substrate and the high-frequency microstrip paster of pressing successively, and the trapezoidal base of high-frequency microstrip paster extends outward high-frequency microstrip antenna input port.
Described low frequency microstrip aerial unit is connected in parallel by the low frequency microstrip feed line.
Described low frequency microstrip aerial unit is trapezoidal, and trapezoidal last bottom is a circular arc, is provided with outwards outstanding low frequency microstrip aerial input port on trapezoidal base, and low frequency microstrip aerial input port and low frequency microstrip feed line electrically connect.
The two trapezoidal waists of described low frequency microstrip aerial unit are equipped with the low frequency microstrip aerial slit, and the low frequency microstrip aerial slit is the window of nick shaped.
Described low frequency microstrip aerial unit is made up of ground plate, dielectric substrate and the low frequency microband paste of pressing successively, and the trapezoidal base of low frequency microband paste extends outward the low frequency microstrip aerial input port.
Remarkable advantage of the present utility model is:
1) on this geometry of circular cone carrier, realized the conformal of microstrip antenna, and isotropic antenna beam covers;
2) in the non-radiant edged slit of offering of microband antenna unit, the size that reduces microband antenna unit is to satisfy the requirement of circular cone carrier shaft linear dimension;
3) micro-strip antenna array that adopts two kinds of different resonance frequencys up and down the conformal circular cone carrier surface that is placed on to satisfy the job requirement of double frequency;
4) the used material of microband antenna unit is flexible microwave material, and advantage is: frangibility and the crack occurs not after conformal.
Description of drawings
Fig. 1 is a taper conformal omnidirectional double-frequency micro-strip antenna array structural representation of the present utility model.
Fig. 2 is the vertical view of high-frequency microstrip antenna element of the present utility model.
Fig. 3 is the lamination layer structure end view of high-frequency microstrip antenna element of the present utility model.
Fig. 4 is the vertical view of low frequency microstrip aerial of the present utility model unit.
Fig. 5 is the lamination layer structure end view of high-frequency microstrip antenna element of the present utility model.
Fig. 6 is the micro-strip antenna array plane outspread drawing of embodiment of the present utility model.
Fig. 7 is the reflection coefficient analogous diagram of the high-frequency microstrip aerial array of embodiment of the present utility model.
Fig. 8 is the reflection coefficient analogous diagram of the low frequency microstrip aerial array of embodiment of the present utility model.
Among the figure: 1 is the circular cone carrier, 2 is the high-frequency microstrip aerial array, 3 is the high-frequency microstrip feeder line, 4 is the low frequency microstrip aerial array, 5 is the low frequency microstrip feed line, 6 is the high-frequency microstrip antenna element, 60 is the high-frequency microstrip antenna slots, 7 is high-frequency microstrip antenna input port, 8 is ground plate, 9 is dielectric substrate, 10 is the high-frequency microstrip paster, 11 is the low frequency microstrip aerial unit, 110 is the low frequency microstrip aerial slit, 12 is the low frequency microstrip aerial input port, 13 is ground plate, 14 is dielectric substrate, 15 is the low frequency microband paste.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
In conjunction with Fig. 1, Fig. 6, a kind of taper conformal omnidirectional double-frequency micro-strip antenna array, be provided with around the cone surface of circular cone carrier 1 and present down setting and high-frequency microstrip aerial array 2 and the low frequency microstrip aerial array 4 conformal with circular cone carrier 1, described high-frequency microstrip aerial array 2 is near circular cone carrier 1 vertex of a cone end, and low frequency microstrip aerial array 4 is arranged on high-frequency microstrip aerial array 2 belows; High-frequency microstrip aerial array 2 is made up of the high-frequency microstrip antenna element 6 that several parallelly feedings connect, and low frequency microstrip aerial array 4 is made up of the low frequency microstrip aerial unit 11 that several parallelly feedings connect.
High-frequency microstrip antenna element 6 is connected in parallel by high-frequency microstrip feeder line 3.Low frequency microstrip aerial unit 11 is connected in parallel by low frequency microstrip feed line 5.
As Fig. 2, high-frequency microstrip antenna element 6 is trapezoidal, and trapezoidal last bottom is a circular arc, is provided with outwards outstanding high-frequency microstrip antenna input port 7 on trapezoidal base, and 7 bending backs, high-frequency microstrip antenna input port electrically connect with high-frequency microstrip feeder line 3.
The two trapezoidal waists of high-frequency microstrip antenna element 6 are equipped with high-frequency microstrip antenna slots 60, and high-frequency microstrip antenna slots 60 is the window of nick shaped.The trapezoidal base of high-frequency microstrip antenna element 6 is that radiating side is connected in parallel by high-frequency microstrip feeder line 3 feeds, and non-radiant edged, be that two trapezoidal waists are respectively offered high-frequency microstrip antenna slots 60 to reduce the size of high-frequency microstrip antenna element 6, high-frequency microstrip antenna input port 7 is the feed mouth of high-frequency microstrip antenna element 6, high-frequency microstrip antenna element 6 left-right symmetric.
As Fig. 3, high-frequency microstrip antenna element 6 is that whole ground plate 8, dielectric substrate 9 and high-frequency microstrip paster 10 formed by pressing successively, the trapezoidal base of high-frequency microstrip paster 10 extends outward high-frequency microstrip antenna input port 7, ground plate 8 can obtain by etch process with high-frequency microstrip paster 10, dielectric substrate 9 can be the polytetrafluoroethylene high frequency material, and this dielectric substrate 9 is a microwave material, has flexible characteristic.
As Fig. 4, low frequency microstrip aerial unit 11 is trapezoidal, and trapezoidal last bottom is a circular arc, is provided with outwards outstanding low frequency microstrip aerial input port 12 on trapezoidal base, and 12 bending backs, low frequency microstrip aerial input port electrically connect with low frequency microstrip feed line 5.
The two trapezoidal waists of low frequency microstrip aerial unit 11 are equipped with low frequency microstrip aerial slit 110, and low frequency microstrip aerial slit 110 is the window of nick shaped.
Low frequency microstrip aerial unit 11 is made up of ground plate 13, dielectric substrate 14 and the low frequency microband paste 15 of pressing successively, and the trapezoidal base of high-frequency microstrip paster 15 extends outward low frequency microstrip aerial input port 12.
The trapezoidal base of low frequency microstrip aerial unit 11 is that radiating side is connected in parallel by low frequency microstrip feed line 5 feeds, and non-radiant edged, be that two trapezoidal waists are respectively offered two low frequency microstrip aerial slits 110 to reduce the size of low frequency microstrip aerial unit 11, low frequency microstrip aerial input port 12 is the feed mouth of low frequency microstrip aerial unit 11, low frequency microstrip aerial unit 11 left-right symmetric.
As Fig. 5, low frequency microstrip aerial unit 11 is that whole ground plate 13, dielectric substrate 14 and low frequency microband paste 15 formed by pressing successively, the trapezoidal base of low frequency microband paste 15 extends outward low frequency microstrip aerial input port 12, ground plate 13 can obtain by etch process with low frequency microband paste 15, dielectric substrate 14 can be the polytetrafluoroethylene high frequency material and presses layer, and this dielectric substrate 14 is a microwave material, has flexible characteristic.
By changing thickness, the dielectric constant of dielectric substrate 9 and dielectric substrate 14, the size of high-frequency microstrip paster 10, low frequency microband paste 15 etc. just can change the waveform of adjusting on the microstrip transmission line, to satisfy the actual needs that use.High-frequency microstrip antenna element 6 adopts the linear polarization mode to work with low frequency microstrip aerial unit 11.
As shown in Figure 6, high-frequency microstrip aerial array 2 and low frequency microstrip aerial array 4 are presented down placement, and be array-fed to two respectively by high-frequency microstrip feeder line 3 and low frequency microstrip feed line 5.Wherein Fig. 7, Fig. 8 are respectively the stickogram of high and low frequency aerial array correspondence.
Claims (9)
1. taper conformal omnidirectional double-frequency micro-strip antenna array, it is characterized in that cone surface around circular cone carrier (1) is provided with presents down setting and high-frequency microstrip aerial array (2) and the low frequency microstrip aerial array (4) conformal with circular cone carrier (1), described high-frequency microstrip aerial array (2) is near circular cone carrier (1) vertex of a cone end, and low frequency microstrip aerial array (4) is arranged on high-frequency microstrip aerial array (2) below; High-frequency microstrip aerial array (2) is made up of the high-frequency microstrip antenna element (6) that several parallelly feedings connect, and low frequency microstrip aerial array (4) is made up of the low frequency microstrip aerial unit (11) that several parallelly feedings connect.
2. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 1 is characterized in that described high-frequency microstrip antenna element (6) is connected in parallel by high-frequency microstrip feeder line (3).
3. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 2, it is characterized in that described high-frequency microstrip antenna element (6) is for trapezoidal, trapezoidal last bottom is a circular arc, be provided with outwards outstanding high-frequency microstrip antenna input port (7) on trapezoidal base, high-frequency microstrip antenna input port (7) electrically connects with high-frequency microstrip feeder line (3).
4. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 3 is characterized in that the two trapezoidal waists of described high-frequency microstrip antenna element (6) are equipped with high-frequency microstrip antenna slots (60), and high-frequency microstrip antenna slots (60) is the window of nick shaped.
5. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 4, it is characterized in that described high-frequency microstrip antenna element (6) is made up of ground plate (8), dielectric substrate (9) and the high-frequency microstrip paster (10) of pressing successively, the trapezoidal base of high-frequency microstrip paster (10) extends outward high-frequency microstrip antenna input port (7).
6. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 1 is characterized in that described low frequency microstrip aerial unit (11) is connected in parallel by low frequency microstrip feed line (5).
7. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 6, it is characterized in that described low frequency microstrip aerial unit (11) is for trapezoidal, trapezoidal last bottom is a circular arc, be provided with outwards outstanding low frequency microstrip aerial input port (12) on trapezoidal base, low frequency microstrip aerial input port (12) electrically connect with low frequency microstrip feed line (5).
8. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 7, the two trapezoidal waists that it is characterized in that described low frequency microstrip aerial unit (11) are equipped with low frequency microstrip aerial slit (110), and low frequency microstrip aerial slit (110) are the window of nick shaped.
9. taper conformal omnidirectional double-frequency micro-strip antenna array according to claim 8, it is characterized in that described low frequency microstrip aerial unit (11) is made up of ground plate (13), dielectric substrate (14) and the low frequency microband paste (15) of pressing successively, the trapezoidal base of low frequency microband paste (15) extends outward low frequency microstrip aerial input port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920234606 CN201611686U (en) | 2009-08-14 | 2009-08-14 | Conical conformal omnidirectional dual-frequency microstrip antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920234606 CN201611686U (en) | 2009-08-14 | 2009-08-14 | Conical conformal omnidirectional dual-frequency microstrip antenna array |
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| Publication Number | Publication Date |
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| CN201611686U true CN201611686U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920234606 Expired - Lifetime CN201611686U (en) | 2009-08-14 | 2009-08-14 | Conical conformal omnidirectional dual-frequency microstrip antenna array |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621158B (en) * | 2009-08-14 | 2013-09-25 | 南京伏欧安电子技术有限公司 | Taper conformal omnidirectional double-frequency micro-strip antenna array |
| WO2016172823A1 (en) * | 2015-04-27 | 2016-11-03 | 华为技术有限公司 | Antenna array |
| CN107622608A (en) * | 2017-09-28 | 2018-01-23 | 江苏联禹智能工程有限公司 | A kind of multi-faceted signal projector of intelligence engineering monitoring system |
| CN110808479A (en) * | 2019-10-30 | 2020-02-18 | 中国空空导弹研究院 | Missile-borne integrated conformal communication antenna |
| US11233316B2 (en) | 2016-07-29 | 2022-01-25 | Hewlett-Packard Development Company, L.P. | Wireless virtual reality (VR) devices |
| TWI775440B (en) * | 2020-05-22 | 2022-08-21 | 大陸商Ｓｓｉ有限公司 | A passive directional curved antenna |
-
2009
- 2009-08-14 CN CN 200920234606 patent/CN201611686U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621158B (en) * | 2009-08-14 | 2013-09-25 | 南京伏欧安电子技术有限公司 | Taper conformal omnidirectional double-frequency micro-strip antenna array |
| WO2016172823A1 (en) * | 2015-04-27 | 2016-11-03 | 华为技术有限公司 | Antenna array |
| US11233316B2 (en) | 2016-07-29 | 2022-01-25 | Hewlett-Packard Development Company, L.P. | Wireless virtual reality (VR) devices |
| CN107622608A (en) * | 2017-09-28 | 2018-01-23 | 江苏联禹智能工程有限公司 | A kind of multi-faceted signal projector of intelligence engineering monitoring system |
| CN110808479A (en) * | 2019-10-30 | 2020-02-18 | 中国空空导弹研究院 | Missile-borne integrated conformal communication antenna |
| TWI775440B (en) * | 2020-05-22 | 2022-08-21 | 大陸商Ｓｓｉ有限公司 | A passive directional curved antenna |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20101020 Effective date of abandoning: 20090814 |
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| RGAV | Abandon patent right to avoid regrant |