CN201838722U - Microstrip patch antenna with reconfigurable directional diagram - Google Patents
Microstrip patch antenna with reconfigurable directional diagram Download PDFInfo
- Publication number
- CN201838722U CN201838722U CN201020179427XU CN201020179427U CN201838722U CN 201838722 U CN201838722 U CN 201838722U CN 201020179427X U CN201020179427X U CN 201020179427XU CN 201020179427 U CN201020179427 U CN 201020179427U CN 201838722 U CN201838722 U CN 201838722U
- Authority
- CN
- China
- Prior art keywords
- patch antenna
- directional diagram
- microstrip patch
- patch
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a microstrip patch antenna with a reconfigurable directional diagram, belongs to the technical field of antenna, and relates to a microstrip patch antenna. The microstrip patch antenna comprises a metal grounding plate positioned on the lower surface of a dielectric slab, and a radiation paster positioned on the upper surface of the dielectric slab; the radiation slab consists of a square main radiation paster unit and four parasitic paster units at the front part, the rear part, the left part and the right part with equal distance; each parasitic paster unit is formed by two rectangular pasters connected with an electronic switch; and the electronic switches are respectively controlled by a switch controller. In the utility model, the parasitic paster units are controlled to participate in the energy radiation by the combination of switches in different states, the directional diagram with multiple types and multiple work modes can be realized; and simultaneously, the microstrip patch antenna has the characteristics of small cross polarization, small volume and high gain. The microstrip patch antenna can be applied to different antenna arrays so as to realize beam forming and beam scanning.
Description
Technical field
The utility model belongs to antenna technical field, relates to micro-strip paster antenna, especially microstrip patch antenna with reconfigurable directional diagram.
Background technology
Fast development along with Radar Technology and aeronautical and space technology, classical monotype (single direction figure) antenna more can not satisfy radar, aircraft is to wave beam forming, the requirement of the automatically controlled quick scanning of wave beam etc., this just makes that directional diagram reconstructable aerial arises at the historic moment, and has obtained increasing attention and development.There have been many kinds of directional diagram reconstructable aerial unit to exist at present, but problem such as the ubiquity alternative mode is few, and cross polarization is big, and beamwidth is undesirable.Advantages such as the microband paste directional diagram reconstructable aerial is an important component part of directional diagram reconstructable aerial, has easy processing, and is easily conformal.
Document " Pattern Reconfigurable Patch Antenna with Iwo Orthogonal Quasi-Yagi Arrays " (Xue-Song Yang*, Bing-Zhong Wang, and Weixia Wu Institute of Applied Physics, University ofElectronic Science and Technology of China, Chengdu 610054, People ' s Republic of China) reported a kind of little band directional diagram reconstructable aerial based on the Yagi antenna theory, its directional diagram reconstruct effect is obvious.But owing to adopt the double coaxial line feed, feed system is serious to the antenna influence; Antenna size is bigger, is unfavorable for frequency applications.
Document " A Pattern Reconfigurable Microstrip Parasitic Array " (S.Zhang, G.H.Huff, J.Feng, andJ.T.Bernhard IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL.52, NO.10, OCTOBER2004) provide a kind of novel directional diagram reconstructable microstrip antenna, realized the beam scanning of three directions, but the cross polarization of its radiation is bigger, discomfort is fit to do the array radiating element.
Document " On the Applications for a Radiation Reconfigurable Antenna " (Second NASA/ESAConference on Adaptive Hardware and Systems (AHS2007)) utilizes microstrip line to design a kind of reconfigurable antenna, has more satisfactory radiation characteristic, but it can only be to the both direction radiation, mode of operation is less, can not well satisfy the needs of reconfigurable antenna.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and defective, and it is little to propose a kind of cross polarization, can have the directional diagram reconstructable aerial of multi-operation mode to greater than the four direction radiation.Simultaneously, this antenna has miniaturization, the characteristics of high-gain.
The utility model is achieved through the following technical solutions:
A kind of microstrip patch antenna with reconfigurable directional diagram as shown in Figure 1 to Figure 3, comprises metal ground plate that is positioned at the dielectric-slab lower surface and the radiation patch that is positioned at the dielectric-slab upper surface.
Described radiation patch comprises a square primary radiation chip unit and is positioned at square primary radiation chip unit four parasitic patch unit at equidistant place all around; Each parasitic patch unit comprises two rectangular patches and the electronic switch that two rectangular patches are linked together; The length of rectangular patch equates with the square primary radiation chip unit length of side in all parasitic patch unit; Whole radiation patch figure is left-right symmetric and front and back symmetry about the geometric center point of square primary radiation chip unit.
Described metal ground plate lower surface has four on-off controllers, and the control connection line of each on-off controller passes metal ground plate and dielectric-slab and links to each other with corresponding electronic switch, with the break-make of control electronic switch; Has coaxial feeder in the middle of the metal ground plate, the coaxial feeder outer conductor links to each other with metal ground plate, and the coaxial feeder inner wire passes metal ground plate and dielectric-slab and links to each other with square primary radiation chip unit in the radiation patch.
The microstrip patch antenna with reconfigurable directional diagram that the utility model provides when four switches are carried out different unit switches, just can make antenna work under different patterns.When four switches complete " opening ", can realize a kind of mode of operation; When four switches complete " pass ", can realize a kind of mode of operation; When complete " the opening " three " pass " of four switches, can realize 4 kinds of mode of operations; When four switches two " are opened " two " passes ", can realize 6 kinds of mode of operations; When four switches three " are opened " one " pass ", can realize 4 kinds of mode of operations.Because four different unit switch states of switch always have 16 kinds of situations, so this antenna has 16 kinds of mode of operations altogether, promptly to 16 kinds of different antenna patterns should be arranged.Wherein main mode of operation has 6 kinds: connect and during the disconnection of its excess-three, can form four kinds of mode of operations when optional one of four switches, realize the requirement to the four direction radiation respectively; When arbitrarily relative two switch connections in four switches and other two can form two kinds of mode of operations when disconnecting, realize the radiation requirement of two kinds of two-way end-fires.
The beneficial effects of the utility model are:
The microstrip patch antenna with reconfigurable directional diagram that the utility model provides, the parasitic patch different by the switch combination control of different conditions participate in energy emission, can realize the directional diagram of multiple multi-operation mode; Have the characteristics that cross polarization is little, volume is little, gain is high simultaneously.The utility model can be used for different aerial arrays, forms and beam scanning to realize wave beam.
Description of drawings
Fig. 1 is radiation patch (front) structural representation of the microstrip patch antenna with reconfigurable directional diagram that provides of the utility model.
Fig. 2 is metal ground plate (reverse side) structural representation of the microstrip patch antenna with reconfigurable directional diagram that provides of the utility model.
Fig. 3 is the longitudinal profile schematic diagram of the microstrip patch antenna with reconfigurable directional diagram that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
A kind of microstrip patch antenna with reconfigurable directional diagram as shown in Figure 1 to Figure 3, comprises metal ground plate that is positioned at the dielectric-slab lower surface and the radiation patch that is positioned at the dielectric-slab upper surface.
Described radiation patch comprises a square primary radiation chip unit and is positioned at square primary radiation chip unit four parasitic patch unit at equidistant place all around; Each parasitic patch unit comprises two rectangular patches and the electronic switch that two rectangular patches are linked together; The length of rectangular patch equates with the square primary radiation chip unit length of side in all parasitic patch unit; Whole radiation patch figure is left-right symmetric and front and back symmetry about the geometric center point of square primary radiation chip unit.
Described metal ground plate lower surface has four on-off controllers, and the control connection line of each on-off controller passes metal ground plate and dielectric-slab and links to each other with corresponding electronic switch, with the break-make of control electronic switch; Has coaxial feeder in the middle of the metal ground plate, the coaxial feeder outer conductor links to each other with metal ground plate, and the coaxial feeder inner wire passes metal ground plate and dielectric-slab and links to each other with square primary radiation chip unit in the radiation patch.
The microstrip patch antenna with reconfigurable directional diagram that the utility model provides is connected and during the disconnection of its excess-three, can be formed four kinds of mode of operations when optional one of four switches, realizes the requirement to the four direction radiation respectively; When arbitrarily relative two switch connections in four switches and other two can form two kinds of mode of operations when disconnecting, realize the radiation requirement of two kinds of two-way end-fires.Can adopt the break-make of four switches of digital technology control, to realize the switching of different working modes.
In the technique scheme, four electronic switches can adopt semiconductor (MOS) switch, also can adopt micromechanics (MEMS) electronic switch.Four on-off controllers can adopt the multichannel analog on-off controller, guarantee each passage is independently controlled; Also can adopt the digital switch controller, guarantee each passage is independently controlled by coding.
The microstrip patch antenna with reconfigurable directional diagram that the utility model provides when four switches are carried out different unit switches, just can make antenna work under different patterns.When four switches complete " opening ", can realize a kind of mode of operation; When four switches complete " pass ", can realize a kind of mode of operation; When complete " the opening " three " pass " of four switches, can realize 4 kinds of mode of operations; When four switches two " are opened " two " passes ", can realize 6 kinds of mode of operations; When four switches three " are opened " one " pass ", can realize 4 kinds of mode of operations.Because four different unit switch states of switch always have 16 kinds of situations, so this antenna has 16 kinds of mode of operations altogether, promptly to 16 kinds of different antenna patterns should be arranged.
Determine that relevant parameter is: dielectric-slab thickness is 0.254mm, and the dielectric-slab relative dielectric constant is 3; The square primary radiation chip unit length of side is 2.54mm, four parasitic patch cell distance square primary radiation chip unit 0.2mm; Be arranged in two parasitic patch unit of square primary radiation chip unit the right and left, two nearer rectangular patches of the square primary radiation chip unit of distance are of a size of 2.54mm * 2.24mm, and the square primary radiation chip unit of distance two rectangular patches far away are of a size of 2.54mm * 2.53mm; Be arranged in two parasitic patch unit on both sides, square primary radiation chip unit front and back, two nearer rectangular patches of the square primary radiation chip unit of distance are of a size of 2.54mm * 2.10mm, and the square primary radiation chip unit of distance two rectangular patches far away are of a size of 2.54mm * 6.65mm.Determining under the above-mentioned relevant parameter situation, through Electromagnetic Simulation, the attainable main 6 kinds of mode of operations of this antenna following (other patterns are omitted):
Pattern one: basic status, its directional diagram substantially vertically towards directly over.Greatest irradiation appears at (phi=226 °, theta=2 °) and locates.S11=-27.1dB when 35GHz.
Pattern two: deflection state 1, greatest irradiation appear at (phi=359 °, theta=10 °) and locate.S11=-20.0dB when 35GHz.
Pattern three: deflection state 2, greatest irradiation appear at (phi=188 °, theta=10 °) and locate.S11=-23.1dB when 35GHz.
Pattern four: deflection state 3, greatest irradiation appear at (phi=91 °, theta=26 °) and locate.S11=-22.9dB when 35GHz.
Pattern five: deflection state 4, greatest irradiation appear at (phi=266 °, theta=29 °) and locate.S11=-26.1dB when 35GHz.
Pattern six: end-fire state, greatest irradiation have individual two, appear at (phi=269 °, theta=42 °) and (phi=93 °, theta=35 °) respectively.S11=-24.1dB when 35GHz.
Claims (5)
1. a microstrip patch antenna with reconfigurable directional diagram comprises metal ground plate that is positioned at the dielectric-slab lower surface and the radiation patch that is positioned at the dielectric-slab upper surface;
It is characterized in that:
Described radiation patch comprises a square primary radiation chip unit and is positioned at square primary radiation chip unit four parasitic patch unit at equidistant place all around; Each parasitic patch unit comprises two rectangular patches and the electronic switch that two rectangular patches are linked together; The length of rectangular patch equates with the square primary radiation chip unit length of side in all parasitic patch unit; Whole radiation patch figure is left-right symmetric and front and back symmetry about the geometric center point of square primary radiation chip unit;
Described metal ground plate lower surface has four on-off controllers, and the control connection line of each on-off controller passes metal ground plate and dielectric-slab and links to each other with corresponding electronic switch, with the break-make of control electronic switch; Has coaxial feeder in the middle of the metal ground plate, the coaxial feeder outer conductor links to each other with metal ground plate, and the coaxial feeder inner wire passes metal ground plate and dielectric-slab and links to each other with square primary radiation chip unit in the radiation patch.
2. microstrip patch antenna with reconfigurable directional diagram according to claim 1 is characterized in that, described four electronic switches are semiconductor switch.
3. microstrip patch antenna with reconfigurable directional diagram according to claim 1 is characterized in that, described four electronic switches are the micromechanics electronic switch.
4. according to claim 2 or 3 described microstrip patch antenna with reconfigurable directional diagram, it is characterized in that described four on-off controllers are the multichannel analog on-off controller.
5. according to claim 2 or 3 described microstrip patch antenna with reconfigurable directional diagram, it is characterized in that described four on-off controllers are the digital switch controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020179427XU CN201838722U (en) | 2010-05-05 | 2010-05-05 | Microstrip patch antenna with reconfigurable directional diagram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020179427XU CN201838722U (en) | 2010-05-05 | 2010-05-05 | Microstrip patch antenna with reconfigurable directional diagram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201838722U true CN201838722U (en) | 2011-05-18 |
Family
ID=44008825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020179427XU Expired - Fee Related CN201838722U (en) | 2010-05-05 | 2010-05-05 | Microstrip patch antenna with reconfigurable directional diagram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201838722U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834349A (en) * | 2010-05-05 | 2010-09-15 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN102522629A (en) * | 2011-12-15 | 2012-06-27 | 电子科技大学 | Phased array antenna with reconstructible directional diagram |
| WO2013086835A1 (en) * | 2011-12-16 | 2013-06-20 | 华为技术有限公司 | Antenna apparatus, device and signal transmitting apparatus |
| CN103682645A (en) * | 2013-12-03 | 2014-03-26 | 电子科技大学 | Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions |
| CN107275807A (en) * | 2017-06-22 | 2017-10-20 | 昆山睿翔讯通通信技术有限公司 | A kind of communication terminal structure of integrated millimeter wave antenna and navigation antenna |
| CN108023178A (en) * | 2017-12-01 | 2018-05-11 | 电子科技大学 | A kind of directional diagram reconstructable aerial and its phased array |
| CN110611161A (en) * | 2019-09-16 | 2019-12-24 | 清华大学 | Parameter mixing reconfigurable antenna |
| CN111490361A (en) * | 2019-01-28 | 2020-08-04 | 联发科技股份有限公司 | Millimeter wave antenna device with improved antenna pattern and containing parasitic element |
| CN115275643A (en) * | 2022-08-29 | 2022-11-01 | 重庆大学 | Microstrip antenna with customizable beam inclination angle and design method thereof |
-
2010
- 2010-05-05 CN CN201020179427XU patent/CN201838722U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834349B (en) * | 2010-05-05 | 2012-08-29 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN101834349A (en) * | 2010-05-05 | 2010-09-15 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN102522629B (en) * | 2011-12-15 | 2014-01-22 | 电子科技大学 | Phased array antenna with reconstructible directional diagram |
| CN102522629A (en) * | 2011-12-15 | 2012-06-27 | 电子科技大学 | Phased array antenna with reconstructible directional diagram |
| US9515377B2 (en) | 2011-12-16 | 2016-12-06 | Huawei Technologies Co., Ltd. | Antenna apparatus, antenna device and signal transmitting apparatus |
| WO2013086835A1 (en) * | 2011-12-16 | 2013-06-20 | 华为技术有限公司 | Antenna apparatus, device and signal transmitting apparatus |
| CN103682645A (en) * | 2013-12-03 | 2014-03-26 | 电子科技大学 | Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions |
| CN107275807A (en) * | 2017-06-22 | 2017-10-20 | 昆山睿翔讯通通信技术有限公司 | A kind of communication terminal structure of integrated millimeter wave antenna and navigation antenna |
| CN107275807B (en) * | 2017-06-22 | 2021-01-08 | 昆山睿翔讯通通信技术有限公司 | Communication terminal structure integrating millimeter wave antenna and navigation antenna |
| CN108023178A (en) * | 2017-12-01 | 2018-05-11 | 电子科技大学 | A kind of directional diagram reconstructable aerial and its phased array |
| CN111490361A (en) * | 2019-01-28 | 2020-08-04 | 联发科技股份有限公司 | Millimeter wave antenna device with improved antenna pattern and containing parasitic element |
| US11075459B2 (en) | 2019-01-28 | 2021-07-27 | Mediatek Inc. | Millimeter wave antenna device including parasitic elements capable of improving antenna pattern |
| CN110611161A (en) * | 2019-09-16 | 2019-12-24 | 清华大学 | Parameter mixing reconfigurable antenna |
| CN110611161B (en) * | 2019-09-16 | 2021-07-23 | 清华大学 | Parameter mixing reconfigurable antenna |
| CN115275643A (en) * | 2022-08-29 | 2022-11-01 | 重庆大学 | Microstrip antenna with customizable beam inclination angle and design method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101834349B (en) | Microstrip patch antenna with reconfigurable directional diagram | |
| CN201838722U (en) | Microstrip patch antenna with reconfigurable directional diagram | |
| CN108767454A (en) | Ultra wide band is total to radiating aperture antenna element | |
| CN110048211A (en) | Wideband multi-resonant 5G antenna system and base station | |
| KR101494687B1 (en) | Multi-polarized microstrip patch antenna | |
| KR101381863B1 (en) | Multi-polarized microstrip patch array antenna | |
| CN103682645A (en) | Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions | |
| CN112768882A (en) | Dual-beam circularly polarized array antenna based on dual-patch loading | |
| US11005167B2 (en) | Low profile antenna-conformal one dimensional | |
| CN110611161B (en) | Parameter mixing reconfigurable antenna | |
| Yang et al. | Beamforming design using millimeter wave dual-polarized FSS transmit-array for 5G small cell base-station applications | |
| CN104064876A (en) | Micro-strip array omnidirectional communication antenna | |
| Li et al. | An enhanced frequency and radiation pattern reconfigurable antenna for portable device applications | |
| CN107026318B (en) | A kind of directional diagram reconstructable aerial dividing shape patch based on Koch | |
| Ouyang et al. | Cavity-backed slot ESPAR cross array with two-dimensional beam steering control | |
| Hakem | A compact dual frequency stacked patch antenna for irnss applications | |
| Jin et al. | A simple differential-fed pattern reconfigurable dipole antenna | |
| CN105990666A (en) | Communication antenna, antenna system and communication device | |
| CN105990658A (en) | Communication antenna, antenna system and communication device | |
| CN109860998A (en) | A kind of restructural wearable microstrip antenna | |
| Li et al. | A dual-polarized patch antenna with pattern reconfigurable characteristics | |
| Wang et al. | Design of L-circularly polarized microstrip antenna array at Ka band | |
| Zhang et al. | A beam-steering dual-polarization reconfigurable antenna | |
| CN220753745U (en) | Directional diagram reconfigurable yagi antenna based on RFID technology | |
| Dave et al. | Development of High Gain Virtual-Element Arrays with Fabry-Perot Cavity Antenna Systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20140505 |