CN108365335A - A kind of high-gain low section micro-strip paster antenna - Google Patents
A kind of high-gain low section micro-strip paster antenna Download PDFInfo
- Publication number
- CN108365335A CN108365335A CN201810425199.0A CN201810425199A CN108365335A CN 108365335 A CN108365335 A CN 108365335A CN 201810425199 A CN201810425199 A CN 201810425199A CN 108365335 A CN108365335 A CN 108365335A
- Authority
- CN
- China
- Prior art keywords
- metal
- medium substrate
- antenna
- strip paster
- paster 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Abstract
The present invention relates to antenna technical fields, more particularly to a kind of high-gain low section micro-strip paster antenna, including metallic reflection plate, medium substrate, metal radiation patch, feed structure and metal grill periodic structure, metal radiation patch is attached on medium substrate, feed structure is welded on across medium substrate on metal radiation patch, the ground terminal of feed structure is connected in metallic reflection plate, is air dielectric between medium substrate and metal grill periodic structure.Whole matching of the present invention is good, and standing wave is low, and gain is higher, simple and compact for structure, and section is low, easy to process, can meet the technical indicator of micro-strip paster antenna.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of high-gain low section micro-strip paster antennas.
Background technology
After the effect of human knowledge to electromagnetic wave, antenna technology also begins to slowly be developed.Along with people to day
The continuous proposition of the index requests such as linear dimension, load, more and more novel antennas come into being, microstrip antenna be exactly wherein it
One.Microstrip antenna has its outstanding feature, and if weight is small, section is low, compact-sized etc..On the other hand, microstrip antenna and other
Type antenna is compared, and also has some disadvantages of its own, for example gain is more low.
The gain that improve micro-strip paster antenna at present, may be used the mode of array and high-gain structure to realize,
But micro-strip array antenna size is larger, feed structure is more complicated, of high cost, is not suitable for the aerial system of requirement compact
Row.Special structure may be used for individual antenna unit to realize, antenna can be improved by increasing antenna ground plate suqare
Gain, but antenna size is limited and the raising of antenna gain decibel is not high；Some ginsengs for changing medium substrate can also be used
The modes such as number, the number of plies, the special material for increasing medium substrate, but some other parameters of antenna can be influenced and increase cost.
Invention content
The present invention provides a kind of high-gain low section micro-strip paster antennas, can meet microstrip antenna low section high-gain
The requirement of orientation.
In order to achieve the object of the present invention, used technical solution is：A kind of high-gain low section micro-strip paster antenna,
Including metallic reflection plate, medium substrate, metal radiation patch, feed structure and metal grill periodic structure, metal radiation patch
It is attached on medium substrate, feed structure is welded on across medium substrate on metal radiation patch, and the ground terminal of feed structure connects
It is connected in metallic reflection plate, is air dielectric between medium substrate and metal grill periodic structure.
As the prioritization scheme of the present invention, metallic reflection plate is the metallic reflection plate of all Edge Bends.
As the prioritization scheme of the present invention, the periodic unit length of metal grill periodic structure is the three of free space wavelength
/ mono-.
As the prioritization scheme of the present invention, metal grill periodic structure is supported on by plastic supporting pieces on medium substrate.
As the prioritization scheme of the present invention, the spacing between metal grill periodic structure and metal radiation patch is 20mm.
The present invention has the effect of positive：1) this antenna is designed using planar multilayer microstrip structure bay, is operated in
0.89GHz-0.96GHz range bands cover the 0.9G frequency ranges of GSM low-frequency ranges；
2) for the feed structure of this antenna using the feeding classification of bottom feedback formula, feeding classification is simple in structure, is easily installed；
3) reflecting plate of this antenna can effectively improve the front and back ratio characteristic of antenna, and be easy to using all Edge Bend forms
Horizontal directivity pattern is controlled；
4) this antenna is added to metal grill periodic structure, rationally adjusts the spacing between coating and antenna, selects properly
The metal grill number of plies and periodic unit size, the gain of antenna and standing wave can be made to reach best；
5) this antenna is simple and compact for structure, and section is low, easy to process, and overall cost is low；
6) this antenna is easily installed, and can be freely composed aerial array according to different antenna gain demands.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure chart of the present invention；
Fig. 2 is metallic reflection plate structure chart of the present invention；
Fig. 3 is the fabric figure of the present invention；
The structure chart of Fig. 4 metal grill periodic structures of the present invention；
Fig. 5 is the standing wave pattern of the present invention；
Fig. 6 is the interior gain diagram of band of the present invention.
Wherein：1, metallic reflection plate, 2, medium substrate, 3, metal radiation patch, 4, feed structure, 5, the metal grill period
Structure.
Specific implementation mode
As shown in figures 1 to 6, the invention discloses a kind of high-gain low section micro-strip paster antenna, including metallic reflection plate 1,
Medium substrate 2, metal radiation patch 3, feed structure 4 and metal grill periodic structure 5, metal radiation patch 3 are attached to medium
On substrate 2, feed structure 4 is welded on across medium substrate 2 on metal radiation patch 3, and the ground terminal of feed structure 4 is connected to gold
Belong on reflecting plate 1, is air dielectric between medium substrate 2 and metal grill periodic structure 5.Wherein, high-gain low section micro-strip
The whole height 25mm of paster antenna, feed structure 4 present formula feeding classification the bottom of using, and metal radiation patch 3 can select
Metal square-shaped radiation patch.
Metallic reflection plate 1 is the metallic reflection plate of all Edge Bends, can effectively improve the front and back ratio characteristic of antenna, and be easy to
Horizontal directivity pattern is controlled.
The periodic unit length of metal grill periodic structure 5 is the one third of free space wavelength.Wherein, metal grill
The periodicity and the number of plies of periodic structure 5 will select rationally, periodic unit length be typically chosen free space wavelength three/
One, for the number of plies, theoretically the number of plies is more, and main lobe is narrower, and radiation energy is bigger, and gain is higher, but simultaneously, side lobe energy increases
Add, cause the loss of direction coefficient, it is contemplated that the number of plies of practical engineering application, metal grill periodic structure 5 will select rationally.
In addition, the spacing between metal grill periodic structure 5 and metal radiation patch 3 is 20mm, using plastic supporting pieces
To support.In order to make antenna performance reach best, the spacing between metal grill periodic structure 5 and metal radiation patch 3 is very
Important, being adjusted to reasonable spacing can make the gain of antenna and standing wave reach best.
According to above-mentioned design parameter, processes actual antenna and be tested, experimental result is as shown in Fig. 5~6, Fig. 5
For the standing wave pattern of actual measurement, it can be seen that band standing internal wave is respectively less than 2；Fig. 6 is the interior gain diagram of band of actual measurement, it can be seen that antenna exists
Gain in 890-960MHz frequency bands is in 6.9dB or so, the experimental results showed that of high-gain low section micro-strip paster antenna
It prepares, standing wave is low, and gain is higher, can meet the technical indicator of micro-strip paster antenna.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (5)
1. a kind of high-gain low section micro-strip paster antenna, it is characterised in that：Including metallic reflection plate (1), medium substrate (2),
Metal radiation patch (3), feed structure (4) and metal grill periodic structure (5), the metal radiation patch (3) are attached to
On medium substrate (2), the feed structure (4) is welded on across medium substrate (2) on metal radiation patch (3), feed knot
The ground terminal of structure (4) is connected in metallic reflection plate (1), between the medium substrate (2) and metal grill periodic structure (5)
For air dielectric.
2. a kind of high-gain low section micro-strip paster antenna according to claim 1, it is characterised in that：The metal is anti-
Penetrate the metallic reflection plate that plate (1) is all Edge Bends.
3. a kind of high-gain low section micro-strip paster antenna according to claim 1 or 2, it is characterised in that：Metal grill
The periodic unit length of periodic structure (5) is the one third of free space wavelength.
4. a kind of high-gain low section micro-strip paster antenna according to claim 3, it is characterised in that：The metal grill period
Structure (5) is supported on by plastic supporting pieces on medium substrate (2).
5. a kind of high-gain low section micro-strip paster antenna according to claim 4, it is characterised in that：The metal grill period
Spacing between structure (5) and metal radiation patch (3) is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425199.0A CN108365335A (en) | 2018-05-07 | 2018-05-07 | A kind of high-gain low section micro-strip paster antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425199.0A CN108365335A (en) | 2018-05-07 | 2018-05-07 | A kind of high-gain low section micro-strip paster antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108365335A true CN108365335A (en) | 2018-08-03 |
Family
ID=63011698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810425199.0A Pending CN108365335A (en) | 2018-05-07 | 2018-05-07 | A kind of high-gain low section micro-strip paster antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365335A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070132642A1 (en) * | 2005-12-08 | 2007-06-14 | Elta Systems Ltd. | Patch antenna element and application thereof in a phased array antenna |
| US20070268188A1 (en) * | 2006-04-26 | 2007-11-22 | Spotwave Wireless Canada, Inc. | Ground plane patch antenna |
| CN202013942U (en) * | 2011-04-22 | 2011-10-19 | 西安电子科技大学 | Gapless low-profile high-gain antenna loaded with cladding |
| CN208127418U (en) * | 2018-05-07 | 2018-11-20 | 南京濠暻通讯科技有限公司 | A kind of high-gain low section micro-strip paster antenna |
-
2018
- 2018-05-07 CN CN201810425199.0A patent/CN108365335A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070132642A1 (en) * | 2005-12-08 | 2007-06-14 | Elta Systems Ltd. | Patch antenna element and application thereof in a phased array antenna |
| US20070268188A1 (en) * | 2006-04-26 | 2007-11-22 | Spotwave Wireless Canada, Inc. | Ground plane patch antenna |
| CN202013942U (en) * | 2011-04-22 | 2011-10-19 | 西安电子科技大学 | Gapless low-profile high-gain antenna loaded with cladding |
| CN208127418U (en) * | 2018-05-07 | 2018-11-20 | 南京濠暻通讯科技有限公司 | A kind of high-gain low section micro-strip paster antenna |
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