CN102386484A - Omnidirectional micro-strip antenna using circular electric scanning - Google Patents
Omnidirectional micro-strip antenna using circular electric scanning Download PDFInfo
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- CN102386484A CN102386484A CN201110230044XA CN201110230044A CN102386484A CN 102386484 A CN102386484 A CN 102386484A CN 201110230044X A CN201110230044X A CN 201110230044XA CN 201110230044 A CN201110230044 A CN 201110230044A CN 102386484 A CN102386484 A CN 102386484A
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Abstract
The invention discloses an omnidirectional micro-strip antenna using circular electric scanning. The antenna comprises an upper mounting disc, reflecting plates, micro-strip antennas, a supporting column, an antenna housing, a lower mounting disc, a bottom sealing plate and electronic switches, wherein eight reflecting plates are arranged in total and are enclosed into an octahedron through the upper mounting disc, the lower mounting disc and the bottom sealing plate; eight micro-strip antennas are arranged in total and are arranged outside the octahedron enclosed by the reflecting plates through the supporting column; and space between each micro-strip antenna and the corresponding reflecting plate is lambda/4. The reflecting plate has extremely high surface finish, so that all energy which inwardly radiates by the micro-strip antenna can be outwardly reflected. The antenna housing is arranged outside the micro-strip antenna; the electronic switches are arranged on the lower mounting disc and are connected with the eight micro-strip antennas through coaxial cables, so that every two adjacent micro-strip antennas in the eight micro-strip antennas are crossed at 3dB to form 8 dual beams to work in turns in a time sharing way to outwardly radiate and emit energy and receive target echo signal energy to realize 360-degree circular scanning of the antenna.
Description
Technical field
The invention belongs to field of radar, be specifically related to a kind of omnidirectional microstrip antenna of realizing the circumference electric scanning with the electronic switch switched multi-beam.
Background technology
At present, in field of radar, because national frontier defense line security needs, many unattended radars need round-the-clock, comprehensive vehicular targets are surveyed scouting, and radar need carry out 360 ° of circular scannings in the target acquisition process.What usually realize that 360 ° of circular scannings adopt is mechanical scanning, and the mechanical driving mechanism device damages easily, and poor reliability needs often maintenance and safeguards, if maintenance and safeguard untimelyly then can't ensure the work of radar round-the-clock unattended operation.
Summary of the invention
The objective of the invention is to; A kind of omnidirectional microstrip antenna that adopts the circumference electric scanning is provided, realizes 360 ° of circular scannings of wave beam, substitute with mechanical actuation device and realize wave beam circular scanning through the electronic switch switched multi-beam; System does not carry out mechanical rotation; Therefore do not need azimuth mechanism and collector ring, system weight is alleviated, the reliability of equipment improves greatly.
In order to realize above-mentioned task, the present invention takes following technical solution to be achieved:
A kind of omnidirectional microstrip antenna that adopts the circumference electric scanning; Comprise mounting disc, reflecting plate, microstrip antenna, support column, radome, mounting disc down, bottom sealing plate, electronic switch, it is characterized in that totally 8 of described reflecting plates; Surround regular octahedron through last mounting disc, following mounting disc and bottom sealing plate; Totally 8 of described microstrip antennas are installed in the regular octahedron outside that reflecting plate surrounds through support column, and 8 reflecting plates also are regular octahedron and arrange.Every microstrip antenna is λ/4 with corresponding reflecting plate spacing.The reflecting plate surface smoothness is very high, can be with the energy of the inside radiation of microstrip antenna all to external reflectance.
Described radome is arranged on the microstrip antenna outside, and described electronic switch is installed in down in the mounting disc, and electronic switch is connected with 8 microstrip antennas through coaxial wire, externally joins with radar transmit-receive system and signal processing.The electronic switch reliability is very high; Switching through signal processing control electronic switch distributes the microwave signal from receive-transmit system in order, and every adjacent two microstrip antennas in 8 microstrip antennas are intersected at 3dB; Forming 8 dualbeam timesharing takes turns to operate according to the order of sequence; Outwards radiated emission energy, and receiving target echo-signal energy is realized 360 ° of circular scannings of antenna.
Reflecting plate adopts aluminium sheet to make.Omnidirectional of the present invention multi-beam microstrip antenna is regular octahedron to be arranged, and guarantees the consistency of antenna bearingt precision, has improved certainty of measurement.Adopt electronic switch to switch 8 antenna timesharing and take turns to operate, realize 360 ° of circular scannings of antenna, reliability is high.
Description of drawings
Fig. 1 is the structural representation of omnidirectional of the present invention multi-beam microstrip antenna.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the sketch map of 8 microstrip antennas and electronic switch control.
Fig. 4 is the SECO truth table of electronic switch.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Embodiment
As shown in Figure 1, present embodiment provides a kind of omnidirectional microstrip antenna that adopts the circumference electric scanning, comprises mounting disc 1, reflecting plate 2, microstrip antenna 3, support column 4, radome 5, mounting disc 6 down, bottom sealing plate 7, electronic switch 8.Among Fig. 1, totally 8 of reflecting plates 2 are linked to be a cylindrical antenna fixed mount through last mounting disc 1 with following mounting disc 6, and make 8 reflecting plates 2 be the regular octahedron arrangement.Totally 8 of microstrip antennas 3; Be installed in the outside of 8 reflecting plates 2 through support column 4; Making microstrip antenna be regular octahedron arranges; Support column 4 adopts nylon to make, and guarantees the electric insulation between reflecting plate 2 and the microstrip antenna 3, and guarantees that every reflecting plate 2 is λ/4 with distance between the corresponding microstrip antenna 3.
When microstrip antenna 3 passes through the outside emittance of hole slot coupling; Also can stitch inside emittance through the hole; Reflecting plate 2 adopts aluminium sheets to make, and guarantees that through machine finishing surface smoothness is very high, and the energy that the aluminium sheet of best bright finish is inwardly revealed microstrip antenna 3 are all to external reflectance.Because microstrip antenna 3 accurately is the regular octahedron arrangement in the location through machinery, makes that the angle precision has guaranteed the consistency of antenna bearingt precision up to 0.03 ° between every adjacent antenna, has improved certainty of measurement.
As shown in Figure 3, adopt coaxial wire to be connected between 2 electronic switches 8 and 8 microstrip antennas 3, externally respectively have one the tunnel to be connected with the receive-transmit system of radar, the input port J0 that the microwave signal of receive-transmit system generation is passed through electronic switch 8 imports.2 electronic switches 8 have totally 4 tunnel break-makes, and the signal processing of radar is connected with C0, C1, C2, the C3 port of electronic switch 8, and electronic switch is carried out the high-low level signal controlling; With the microwave signal of input J0 port, distribute to the output port J1 and the J2 of electronic switch 8, J3 and J4 through the order timesharing; J5 and J6, J7 and J8, and input to 8 microstrip antennas 3; Guarantee that 8 antennas take turns to operate by 1 and 2,2 and 3,3 and 4,4 and 5,5 and 6,6 and 7,7 and 8,8 and 1 order timesharing, the wave beam of adjacent two antennas intersects at 3dB, forms 8 dualbeams; Outwards radiated emission energy, and receiving target echo-signal energy is realized 360 ° of circular scannings of antenna.
As shown in Figure 4,2 electronic switches 8 have totally 4 tunnel break-makes, and have only 1 the tunnel open-minded simultaneously; Through the high-low level control of signal processing, can be with the microwave signal of J0 port input, output port J1 and J2 are distributed in timesharing in order; J3 and J4; J5 and J6, J7 and J8, and input to 8 microstrip antennas 3.
Radome adopts the lower integrated making of fiberglass of energy loss, and radome covers on inside with antenna system, has guaranteed the environmental suitability of antenna system.
Claims (3)
1. an omnidirectional microstrip antenna that adopts the circumference electric scanning comprises mounting disc (1), reflecting plate (2), microstrip antenna (3), support column (4), radome (5), following mounting disc (6), bottom sealing plate (7) and electronic switch (8), it is characterized in that:
Totally 8 of described reflecting plates (2) surround regular octahedron through last mounting disc (1), following mounting disc (6) and bottom sealing plate (7);
Totally 8 of described microstrip antennas (3) are installed in the regular octahedron outside that reflecting plate (2) surrounds through support column (4), and 8 microstrip antennas (3) also are regular octahedron to be arranged, and every microstrip antenna (3) is λ/4 with the spacing of corresponding reflecting plate (2); The energy that reflecting plate (2) is inwardly revealed microstrip antenna (3) is all to external reflectance;
Described radome (5) is arranged on microstrip antenna (3) outside, and described electronic switch (8) is installed in down in the mounting disc (6), is connected with 8 microstrip antennas (3) through coaxial wire; Electronic switch (8) produces controllable break-make and switches; The wave beam of every adjacent two microstrip antennas in 8 microstrip antennas (3) is intersected at 3dB, form 8 dualbeam timesharing and take turns to operate according to the order of sequence, outwards the radiated emission energy; And receiving target echo-signal energy, realize 360 ° of circular scannings of antenna.
2. omnidirectional as claimed in claim 1 multi-beam microstrip antenna is characterized in that, described reflecting plate (2) adopts aluminium sheet to make.
3. omnidirectional as claimed in claim 1 multi-beam microstrip antenna is characterized in that, described radome (5) adopts fiberglass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230044XA CN102386484A (en) | 2011-08-12 | 2011-08-12 | Omnidirectional micro-strip antenna using circular electric scanning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230044XA CN102386484A (en) | 2011-08-12 | 2011-08-12 | Omnidirectional micro-strip antenna using circular electric scanning |
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| CN102386484A true CN102386484A (en) | 2012-03-21 |
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| CN201110230044XA Pending CN102386484A (en) | 2011-08-12 | 2011-08-12 | Omnidirectional micro-strip antenna using circular electric scanning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633433A (en) * | 2013-11-15 | 2014-03-12 | 京信通信技术(广州)有限公司 | Rotationally-molded antenna housing and preparation method thereof |
| CN106469854A (en) * | 2015-08-21 | 2017-03-01 | 华为技术有限公司 | A kind of microwave and millimeter wave dual-band antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845380A (en) * | 2006-04-30 | 2006-10-11 | 宁焕生 | 5.8GHz direction-variable pattern circular polarization microstrip antenna array and feeder equipment |
| CN1909400A (en) * | 2006-08-07 | 2007-02-07 | 西安交通大学 | Beam forming and switching method based on regular polyhedron intelligent antenna assembly |
| CN201616508U (en) * | 2010-02-09 | 2010-10-27 | 陕西特恩电子科技有限公司 | All-round micro-strip antenna array |
| CN202434695U (en) * | 2011-08-12 | 2012-09-12 | 西安天伟电子***工程有限公司 | Omni-directional micro-strip antenna adopting circumferential electric scanning |
-
2011
- 2011-08-12 CN CN201110230044XA patent/CN102386484A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845380A (en) * | 2006-04-30 | 2006-10-11 | 宁焕生 | 5.8GHz direction-variable pattern circular polarization microstrip antenna array and feeder equipment |
| CN1909400A (en) * | 2006-08-07 | 2007-02-07 | 西安交通大学 | Beam forming and switching method based on regular polyhedron intelligent antenna assembly |
| CN201616508U (en) * | 2010-02-09 | 2010-10-27 | 陕西特恩电子科技有限公司 | All-round micro-strip antenna array |
| CN202434695U (en) * | 2011-08-12 | 2012-09-12 | 西安天伟电子***工程有限公司 | Omni-directional micro-strip antenna adopting circumferential electric scanning |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633433A (en) * | 2013-11-15 | 2014-03-12 | 京信通信技术(广州)有限公司 | Rotationally-molded antenna housing and preparation method thereof |
| CN106469854A (en) * | 2015-08-21 | 2017-03-01 | 华为技术有限公司 | A kind of microwave and millimeter wave dual-band antenna |
| WO2017031980A1 (en) * | 2015-08-21 | 2017-03-02 | 华为技术有限公司 | Microwave/millimeter-wave dual-band antenna |
| CN106469854B (en) * | 2015-08-21 | 2020-02-14 | 华为技术有限公司 | Microwave millimeter wave dual-frequency antenna |
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Application publication date: 20120321 |