CN206293615U - A kind of many director micro-strip yagi aerials - Google Patents
A kind of many director micro-strip yagi aerials Download PDFInfo
- Publication number
- CN206293615U CN206293615U CN201621465966.3U CN201621465966U CN206293615U CN 206293615 U CN206293615 U CN 206293615U CN 201621465966 U CN201621465966 U CN 201621465966U CN 206293615 U CN206293615 U CN 206293615U
- Authority
- CN
- China
- Prior art keywords
- rectangular microstrip
- rectangular
- micro
- radiation patch
- director
- 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
Landscapes
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The utility model discloses a kind of many director micro-strip yagi aerials, impedance matching incoming feeder including substrate, the rectangular microstrip metal ground plate being arranged in substrate front side, rectangular microstrip radiation patch and rectangular microstrip director and setting substrate back lower end, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangular microstrip radiation patch and rectangular microstrip director are successively set between rectangular microstrip metal ground plate and substrate upper end from top to bottom；The rectangular microstrip radiation patch includes left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch, and left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are connected by microstrip line with rectangular microstrip metal ground plate respectively；The rectangular microstrip director is for multiple and is arranged in order setting from top to bottom；The present apparatus, by introducing multiple rectangular microstrip directors, makes device have the directional radiation capacity and high-gain of stabilization while the volume and weight for reducing.
Description
Technical field
The utility model is related to antenna technical field, more particularly to a kind of many director micro-strip yagi aerials.
Background technology
With continuing to develop for electronic countermeasure and present mobile communication technology, equipment it is small to antenna volume, lightweight and
The requirement of high gain also more and more higher, yagi aerial since the advent of the world is just enjoyed because of its high directivity, high gain, simple structure
Favor, but traditional yagi aerial is bulky, answering in mobile communication and other space-constrained environments which has limited it
With, microstrip antenna is a kind of flat plane antenna, it be by thin-medium piece, be arranged on thin-medium piece top layer geometry metal radiation unit with
And be arranged on the grounded metal of thin-medium piece bottom and constitute, in recent decades, because its is lightweight, small, make it is simple and
The advantages of being easily integrated quickly grows in antenna technical field.
Therefore, how the design concept of yagi aerial to be combined with microstrip structure, yagi aerial is integrated in individual layer to be situated between
On scutum, lightweight, small volume, micro-strip yagi aerial simple and compact for structure and with Directed radiation modes and high-gain are made
It is a technical problem of this area urgent need solution.
Utility model content
The purpose of this utility model is to provide a kind of many director micro-strip yagi aerials, lightweight, small volume, simple structure
It is compact and with Directed radiation modes and high-gain.
The technical solution adopted in the utility model is：A kind of many director micro-strip yagi aerials, including substrate, it is arranged on base
Rectangular microstrip metal ground plate, rectangular microstrip radiation patch and rectangular microstrip director and setting substrate back on plate front
On impedance matching incoming feeder, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangle
Micro-strip radiation patch and rectangular microstrip director are successively set on the upper end of rectangular microstrip metal ground plate and substrate from top to bottom
Between, and it is parallel with rectangular microstrip metal ground plate；The rectangular microstrip radiation patch includes that left side rectangular microstrip radiates patch
Piece and right rectangular micro-strip radiation patch, the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch symmetrically set
The both sides of the vertical center line in substrate are put, is had time between left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch
Gap, left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are respectively by microstrip line and rectangular microstrip metallic ground
Plate is connected；The rectangular microstrip director is for multiple and is arranged in order setting from top to bottom；The impedance matching incoming feeder sets
Put in the lower end of substrate back.
Further the left side rectangular microstrip radiation patch is identical with the size of right rectangular micro-strip radiation patch, and long
Degree is a quarter operating frequency wavelength.
Further the multiple rectangular microstrip director is constituted by microstrip line, and length is 0.45 times of working frequency
Wavelength.
Further the distance between the multiple rectangular microstrip director is 0.1~0.2 times of operating frequency wavelength.
Further the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch and immediate rectangle
The distance between micro-strip director is 0.6~0.7 times of the distance between multiple rectangular microstrip directors.
The length of further described rectangular microstrip metal ground plate is identical with the width of substrate.
Further described impedance matching incoming feeder is made up of the microstrip line of some different lengths and different in width.
Further the substrate is Rogers's high-frequency circuit board.
The utility model is micro- by setting on substrate rectangular microstrip radiation patch, rectangular microstrip metal ground plate, rectangle
Band director and impedance matching incoming feeder, and by rectangular microstrip radiation patch, rectangular microstrip metal ground plate, rectangular microstrip
The volume and weight for being engaged setting, substantially reducing device of director and impedance matching incoming feeder, it is multiple by introducing
Rectangular microstrip director, makes device have the directional radiation capacity and high-gain of stabilization.
Brief description of the drawings
Fig. 1 is positive structure schematic of the present utility model；
Fig. 2 is structure schematic diagram of the present utility model；
Fig. 3 is S parameter curve map of the present utility model；
Fig. 4 is antenna pattern of the utility model in 2.4GHz；
Fig. 5 is antenna pattern of the utility model in 2.5GHz.
Specific embodiment
As depicted in figs. 1 and 2, a kind of many director micro-strip yagi aerials, including substrate 1, rectangular microstrip metal ground plate
2nd, rectangular microstrip radiation patch, rectangular microstrip director 5 and impedance matching incoming feeder 6；Described substrate 1 is with high frequency
Can be with low-loss Rogers's high-frequency circuit sheet material RO4350B, length 180mm~200mm, width 60mm~90mm.
The rectangular microstrip metal ground plate 2, rectangular microstrip radiation patch and rectangular microstrip director 5 are arranged at substrate
On 1 front, the rectangular microstrip metal ground plate 2 is horizontally set on the positive lower end of substrate 1, rectangular microstrip metal ground plate
The lower end of 2 lower substrate 1 is concordant, and rectangular microstrip metal ground plate 2, can equivalent to the passive reflector of traditional yagi aerial
Ensure the directed radiation of micro-strip yagi aerial；The rectangular microstrip radiation patch and rectangular microstrip director 5 are from top to bottom successively
It is arranged between the upper end of rectangular microstrip metal ground plate 2 and substrate 1, and it is parallel with rectangular microstrip metal ground plate 2；It is described
Rectangular microstrip radiation patch includes left side rectangular microstrip radiation patch 3 and right rectangular micro-strip radiation patch 4, left side rectangular microstrip
Radiation patch 3 and right rectangular micro-strip radiation patch 4 are symmetricly set on the both sides of the vertical center line of substrate 1, and left side rectangle is micro-
There is space between band radiation patch 3 and right rectangular micro-strip radiation patch 4, dual frequency radiation can be formed, it is possible to increase device
Bandwidth of operation；Left side rectangular microstrip radiation patch 3 and the having equivalent to traditional yagi aerial of right rectangular micro-strip radiation patch 4
Source oscillator, plays radiation effects；Left side rectangular microstrip radiation patch 3 is identical with the size of right rectangular micro-strip radiation patch 4, and
Length is a quarter operating frequency wavelength or so, can be with enhanced rad effect；Left side rectangular microstrip radiation patch 3 and right side
Rectangular microstrip radiation patch 4 is connected by microstrip line with rectangular microstrip metal ground plate 2 respectively.
The rectangular microstrip director 5 be it is multiple and be arranged in order setting from top to bottom, rectangular microstrip director 5 equivalent to
The passive director of traditional yagi aerial, plays the effect of guiding into, increases antenna gain；If multiple rectangular microstrip directors 5 by
Dry microstrip line composition, and length is the distance between 0.45 times of operating frequency wavelength or so, multiple rectangular microstrip directors 5
0.1~0.2 times of operating frequency wavelength is, can preferably increase antenna gain；Preferably rectangular microstrip director 5 is seven
It is individual, can less reduce bandwidth of operation as far as possible while high-gain is realized；The left side rectangular microstrip radiation patch 3 and the right side
The distance between side rectangular microstrip radiation patch 4 and immediate rectangular microstrip director 5 for multiple rectangular microstrip directors 5 it
Between 0.6~0.7 times of distance, it is possible to reduce the decay of rectangular microstrip radiation patch radiation signal, when radiation signal reaches square
Preferably increase signal gain during shaped microstrip director 5.
The impedance matching incoming feeder 6 is arranged on the back side lower end of substrate 1, the lower end of impedance matching incoming feeder 6 with
The lower end of substrate 1 is concordant, plays impedance matching effect；Impedance matching incoming feeder 6 is by some different lengths and different in width
Microstrip line is constituted, simple structure, and feed effect is good, belongs to existing mature technology, will not be repeated here.
The length of described rectangular microstrip metal ground plate 2 is identical with the width of substrate 1, can make the directed radiation of device
Ability is more stablized, the size adjusting of the width of rectangular microstrip metal ground plate 2 according to impedance matching incoming feeder 6.
Embodiment 1：
Many director micro-strip yagi aerials：Rogers's sheet material RO4350B is used as substrate 1, thickness 0.76mm, substrate 1 for selection
Length 183mm, width 60mm；Left side rectangular microstrip radiation patch 3 is identical with right rectangular micro-strip 4 sizes of radiation patch, length
26mm, width 6mm, by length 17mm, the microstrip line of width 4.5mm is connected with rectangular microstrip metal ground plate 2, and rectangle is micro-
Band metal ground plate 2 length 60mm, width 18mm；Seven sizes of rectangular microstrip director 5 are identical, length 40mm, width 6mm,
Apart from 15mm between each director；Left side rectangular microstrip radiation patch 3 and right rectangular micro-strip radiation patch 4 and immediate square
The distance between shaped microstrip director 5 is 9mm；Impedance matching incoming feeder 6 is made up of four part microstrip lines, its size difference
For：21mm × 2.5mm, 16mm × 2mm, 9.5mm × 2mm, 9.5mm × 2mm；Institute's much director micro-strip yagi aerial items
Energy index carries out simulating, verifying using Ansoft HFSS softwares, and carries out processing test in kind, and the S parameter curve of gained is for example attached
Shown in Fig. 3, as seen from the figure, device is 2.4GHz~2.5GHz in the working frequency range of below -15dB, and bandwidth of operation is wider；Draw more
Directional diagram to device micro-strip yagi aerial in 2.4GHz as shown in figure 4, as seen from the figure, when frequency is 2.4GHz, device
Gain is 11.9dBi, and half power lobe width is 52.8 °；Directional diagram of many director micro-strip yagi aerials in 2.5GHz is such as
Shown in Fig. 5, as seen from the figure, when frequency is 2.5GHz, the gain of device is 12.2dBi, and half power lobe width is 46.7 °；
During device busy frequency 2.4GHz and 2.5GHz, antenna gain is in higher level.
In sum, the utility model can be used for the simple structure in microwave communication and electronic countermeasure field there is provided a kind of,
It is easy to process, it is easy to integrated many director micro-strip yagi aerials, yagi aerial and the respective advantage of microstrip antenna are combined, greatly
The big volume and weight for reducing device, by introducing many directors, makes the present apparatus have the directional radiation capacity and height of stabilization
The characteristic of gain.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of many director micro-strip yagi aerials, it is characterised in that including substrate, the rectangular microstrip being arranged in substrate front side
Metal ground plate, rectangular microstrip radiation patch and rectangular microstrip director and the impedance matching input set on substrate back are presented
Line, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangular microstrip radiation patch and rectangle
Micro-strip director is successively set between rectangular microstrip metal ground plate and the upper end of substrate from top to bottom, and and rectangular microstrip
Metal ground plate is parallel；The rectangular microstrip radiation patch includes that left side rectangular microstrip radiation patch and right rectangular micro-strip are radiated
Paster, the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are symmetricly set on the vertical center line of substrate
Both sides, have space between left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch, the radiation of left side rectangular microstrip
Paster and right rectangular micro-strip radiation patch are connected by microstrip line with rectangular microstrip metal ground plate respectively；The rectangular microstrip
Director is for multiple and is arranged in order setting from top to bottom；The impedance matching incoming feeder is arranged on the lower end of substrate back.
2. many director micro-strip yagi aerials as claimed in claim 1, it is characterised in that：The left side rectangular microstrip radiation patch
Piece is identical with the size of right rectangular micro-strip radiation patch, and length is a quarter operating frequency wavelength.
3. many director micro-strip yagi aerials as claimed in claim 2, it is characterised in that：The multiple rectangular microstrip director
Constituted by microstrip line, and length is 0.45 times of operating frequency wavelength.
4. many director micro-strip yagi aerials as claimed in claim 3, it is characterised in that：The multiple rectangular microstrip director
The distance between be 0.1~0.2 times of operating frequency wavelength.
5. many director micro-strip yagi aerials as claimed in claim 4, it is characterised in that：The left side rectangular microstrip radiation patch
The distance between piece and right rectangular micro-strip radiation patch and immediate rectangular microstrip director are guided into for multiple rectangular microstrips
0.6~0.7 times of the distance between device.
6. many director micro-strip yagi aerials as claimed in claim 5, it is characterised in that：Described rectangular microstrip metallic ground
The length of plate is identical with the width of substrate.
7. many director micro-strip yagi aerials as claimed in claim 6, it is characterised in that：Described impedance matching incoming feeder
It is made up of the microstrip line of some different lengths and different in width.
8. many director micro-strip yagi aerials as claimed in claim 7, it is characterised in that：The substrate is Rogers's high-frequency electrical
Road plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465966.3U CN206293615U (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465966.3U CN206293615U (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293615U true CN206293615U (en) | 2017-06-30 |
Family
ID=59155289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465966.3U Expired - Fee Related CN206293615U (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293615U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232467A (en) * | 2017-12-20 | 2018-06-29 | 深圳市航天华拓科技有限公司 | Micro-strip Quasi-Yagi antenna |
| CN109546354A (en) * | 2018-12-24 | 2019-03-29 | 南通大学 | A kind of magnetic dipole yagi aerial based on dielectric resonator |
| CN110729569A (en) * | 2019-10-25 | 2020-01-24 | 南通大学 | High-gain yagi antenna based on high-order mode and metamaterial of dielectric resonator |
-
2016
- 2016-12-29 CN CN201621465966.3U patent/CN206293615U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232467A (en) * | 2017-12-20 | 2018-06-29 | 深圳市航天华拓科技有限公司 | Micro-strip Quasi-Yagi antenna |
| CN108232467B (en) * | 2017-12-20 | 2021-02-12 | 深圳市航天华拓科技有限公司 | Microstrip quasi-yagi antenna |
| CN109546354A (en) * | 2018-12-24 | 2019-03-29 | 南通大学 | A kind of magnetic dipole yagi aerial based on dielectric resonator |
| CN109546354B (en) * | 2018-12-24 | 2021-04-16 | 南通大学 | Magnetic dipole yagi antenna based on dielectric resonator |
| CN110729569A (en) * | 2019-10-25 | 2020-01-24 | 南通大学 | High-gain yagi antenna based on high-order mode and metamaterial of dielectric resonator |
| CN110729569B (en) * | 2019-10-25 | 2020-11-17 | 南通大学 | High-gain yagi antenna based on high-order mode and metamaterial of dielectric resonator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106785400A (en) | A kind of many director micro-strip yagi aerials | |
| EP3012910A1 (en) | Broadband dual-polarization four-leaf clover planar aerial | |
| CN2938452Y (en) | Back cavity micro-band antenna | |
| Sharawi et al. | Four-shaped 2× 2 multi-standard compact multiple-input–multiple-output antenna system for long-term evolution mobile handsets | |
| CN206293615U (en) | A kind of many director micro-strip yagi aerials | |
| CN207834573U (en) | A kind of bicyclic antenna for base station of difference dual-band and dual-polarization | |
| CN109301486B (en) | Single-layer patch type microwave millimeter wave cross-frequency-band dual-polarized radiation unit for 5G mobile communication | |
| WO2021139016A1 (en) | 5g millimeter wave dual-polarized antenna module and terminal device | |
| CN105449379A (en) | Filtering antenna capable of restraining high frequency harmonic waves | |
| CN104617395B (en) | A kind of multiband dielectric resonance mobile phone terminal antenna | |
| CN108461912B (en) | Terahertz microstrip antenna | |
| WO2016101136A1 (en) | Multiband dielectric resonance mobile phone terminal antenna | |
| CN105119057B (en) | A kind of multiband microstrip antenna | |
| CN106711611A (en) | Micro ultra wide band omnidirectional fractal paster antenna | |
| Lu et al. | The simulation and experiment of a UWB printed dipole antenna | |
| CN212968043U (en) | Concentric semicircular WLAN microstrip antenna, wireless sensor antenna and wireless communication equipment | |
| CN102800953B (en) | Indirect feed type omnidirectional printed antenna with radiant load | |
| CN114069260B (en) | Antenna system and electronic equipment comprising same | |
| CN208873883U (en) | A kind of three frequency slot antennas | |
| CN104600423B (en) | Q-band ultra wideband half-plane terminal antenna | |
| CN103794864B (en) | The square double-band printed antenna of symmetrical minor matters | |
| CN112271446A (en) | Concentric semicircular microstrip antenna and wireless sensor antenna based on smart home | |
| CN102760945B (en) | Direct feed omnidirectional printed antenna with radiation load | |
| CN206412467U (en) | Two-band 5G microstrip antennas | |
| CN204857938U (en) | WIFI antenna of imitative plane shape of falling F |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |